The EatTheBlocks blockchain development archive.https://eattheblocks.com/https://eattheblocks.com/eattheblocks-pivot-to-ai/https://eattheblocks.com/eattheblocks-pivot-to-ai/EatTheBlocks pivots to AI. Full announcement here.Thu, 01 May 2025 12:00:00 GMThttps://eattheblocks.com/how-to-avoid-tutorial-hell-practical-tips-from-a-senior-dev/https://eattheblocks.com/how-to-avoid-tutorial-hell-practical-tips-from-a-senior-dev/Tutorial hell sucks. It will get you stuck in your career. It will make you stagnate. Avoid it at all cost. Here is how to avoid tutorial hell.Tue, 03 Dec 2024 12:00:00 GMThttps://eattheblocks.com/what-is-the-best-career-choice-for-developers-ai-or-blockchain/https://eattheblocks.com/what-is-the-best-career-choice-for-developers-ai-or-blockchain/AI and Blockchain are booming. Which career path should you pick as software developer? The choice is more simple than it seems...Mon, 02 Dec 2024 12:00:00 GMThttps://eattheblocks.com/10-project-ideas-to-learn-solidity/https://eattheblocks.com/10-project-ideas-to-learn-solidity/10 detailed project ideas to help you learn Solidity. For each project, I will explain exactly which feature you need to implement.Fri, 29 Nov 2024 12:00:00 GMThttps://eattheblocks.com/full-roadmap-to-learn-blockchain-development/https://eattheblocks.com/full-roadmap-to-learn-blockchain-development/Full roadmap on how to become a Blockchain developer. Covers Fullstack Blockchain development and Smart contract development on the Ethereum Blockchain.Thu, 28 Nov 2024 12:00:00 GMThttps://eattheblocks.com/5-ways-to-make-money-with-meme-coins-for-blockchain-developers/https://eattheblocks.com/5-ways-to-make-money-with-meme-coins-for-blockchain-developers/5 ways Blockchain developers can make money with meme coins without investing in them.Wed, 27 Nov 2024 12:00:00 GMThttps://eattheblocks.com/these-ai-skills-will-10x-your-blockchain-career/https://eattheblocks.com/these-ai-skills-will-10x-your-blockchain-career/Today I am going to tell you how I use AI to boost my productivity as a Blockchain developer. My first steps with AI Ok, I have to admit, I am late toTue, 26 Nov 2024 12:00:00 GMThttps://eattheblocks.com/how-i-became-millionaire-with-solidity/https://eattheblocks.com/how-i-became-millionaire-with-solidity/The full story of how I went from broke web developer to millionaire Blockchain developer, by learning Solidity.Mon, 25 Nov 2024 12:00:00 GMThttps://eattheblocks.com/did-ethereum-abandon-us/https://eattheblocks.com/did-ethereum-abandon-us/Why Ethereum isn't going up? Should you sell your Ether now? In this article, I will tell you why it would be a terrible mistake to sell now.Fri, 22 Nov 2024 12:00:00 GMThttps://eattheblocks.com/the-100-sure-way-to-lose-money-this-bull-market/https://eattheblocks.com/the-100-sure-way-to-lose-money-this-bull-market/Most crypto investors end up losing money. Even during bull markets. Here is a hidden opportunity you probably don't know about.Thu, 21 Nov 2024 12:00:00 GMThttps://eattheblocks.com/top-5-most-profitable-niche-for-blockchain-development/https://eattheblocks.com/top-5-most-profitable-niche-for-blockchain-development/Today, I will reveal what are the most profitable niches in blockchain development. I will break down each niche and show you exactly how to position yourself.Wed, 20 Nov 2024 12:00:00 GMThttps://eattheblocks.com/which-project-to-build-for-your-blockchain-portfolio/https://eattheblocks.com/which-project-to-build-for-your-blockchain-portfolio/3 project ideas for your Blockchain developer portfolio. Plus specific tips to find other project ideas that will get you hired.Tue, 19 Nov 2024 12:00:00 GMThttps://eattheblocks.com/announcing-a-new-blockchain-education-platform/https://eattheblocks.com/announcing-a-new-blockchain-education-platform/Announcement for the launch of the 30 Day Academy, a brand new Blockchain education platform.Mon, 18 Nov 2024 12:00:00 GMThttps://eattheblocks.com/the-best-career-choice-for-web-developers-in-2025/https://eattheblocks.com/the-best-career-choice-for-web-developers-in-2025/Most Web developers are poor. In 2025 Web Development is a completely saturated niche. Here is an easy trick to boost your Web Developer salary.Fri, 15 Nov 2024 12:00:00 GMThttps://eattheblocks.com/debunking-the-no-jobs-for-blockchain-beginners-myth/https://eattheblocks.com/debunking-the-no-jobs-for-blockchain-beginners-myth/How realistic is it to land a 6-figure blockchain developer job when you are a beginner?Sometime it feels like nobody wants juniors…Thu, 14 Nov 2024 12:00:00 GMThttps://eattheblocks.com/is-indiehacking-the-next-big-opportunity-for-blockchain-developers/https://eattheblocks.com/is-indiehacking-the-next-big-opportunity-for-blockchain-developers/In this article I will explain how you can become a Indiehacker in the crypto niche. With Indiehacking, developers can build profitable businesses.Wed, 13 Nov 2024 12:00:00 GMThttps://eattheblocks.com/do-crypto-trading-bots-make-money/https://eattheblocks.com/do-crypto-trading-bots-make-money/Can you make money with crypto trading bots? In most cases, NO, and I will explain why in this article.Tue, 12 Nov 2024 12:00:00 GMThttps://eattheblocks.com/i-just-made-30k-per-month-as-a-blockchain-developer/https://eattheblocks.com/i-just-made-30k-per-month-as-a-blockchain-developer/Last month I made $30,000 as a Blockchain developer. This is how I made it happen.Mon, 11 Nov 2024 12:00:00 GMThttps://eattheblocks.com/the-blockchain-developer-behind-polymarket-meteoric-success/https://eattheblocks.com/the-blockchain-developer-behind-polymarket-meteoric-success/The fascinating story of Shayne Coplan, the 26y genius founder of Polymarket. Polymarket is a crypto app that accurately predicted the US election in 2024.Sun, 10 Nov 2024 12:00:00 GMThttps://eattheblocks.com/why-donald-trump-is-going-to-be-a-game-changer-for-blockchain-developers/https://eattheblocks.com/why-donald-trump-is-going-to-be-a-game-changer-for-blockchain-developers/Donald Trump is a very pro-crypto president. Let's the tremendous consequences for Blockchain developers.Thu, 07 Nov 2024 12:00:00 GMThttps://eattheblocks.com/how-to-read-data-from-the-blockchain/https://eattheblocks.com/how-to-read-data-from-the-blockchain/Learn how to read data from the Ethereum Blockchain with Javascript and Ethers.jsSat, 18 Feb 2023 12:00:00 GMThttps://eattheblocks.com/7-tips-get-web3-developer-job/https://eattheblocks.com/7-tips-get-web3-developer-job/7 super efficient tips for finding your first Web3 job! Covers how to get your first 6 figure job in the Blockchain industry.Wed, 19 Oct 2022 12:00:00 GMThttps://eattheblocks.com/timelock-in-solidity/https://eattheblocks.com/timelock-in-solidity/A timelock is a piece of code that locks functionality on an application until a certain amount of time has passed. It was widely used as a type of smart…Sat, 14 May 2022 12:00:00 GMThttps://eattheblocks.com/creating-a-new-contract-from-another-contract-in-solidity/https://eattheblocks.com/creating-a-new-contract-from-another-contract-in-solidity/Introduction In blockchain development, mining sets of data into a blockchain is quite an expensive process because fees are charged for each new data mined…Thu, 12 May 2022 12:00:00 GMThttps://eattheblocks.com/the-ultimate-solidity-0-8-cheatsheet/https://eattheblocks.com/the-ultimate-solidity-0-8-cheatsheet/Comments You can write comments to document your code; Single-line comments (//) and multi-line comments (/ ... /) are possible. // This is a single-line…Sat, 07 May 2022 12:00:00 GMThttps://eattheblocks.com/a-guide-to-events-in-solidity/https://eattheblocks.com/a-guide-to-events-in-solidity/Events are inheritable members of contracts. When you call them, they cause the arguments to be stored in the transaction’s log — a special data structure in…Thu, 05 May 2022 12:00:00 GMThttps://eattheblocks.com/a-guide-to-inheritance-in-solidity/https://eattheblocks.com/a-guide-to-inheritance-in-solidity/Inheritance allows code to be reused by creating a new class from an existing class. The new class that is created is known as subclass (child or derived…Wed, 04 May 2022 12:00:00 GMThttps://eattheblocks.com/a-guide-to-operators-in-solidity/https://eattheblocks.com/a-guide-to-operators-in-solidity/Solidity is a statically typed language, which means that the type of each variable (state and local) needs to be specified. In addition, types can interact…Mon, 02 May 2022 12:00:00 GMThttps://eattheblocks.com/cryptography-101-for-web3-developers/https://eattheblocks.com/cryptography-101-for-web3-developers/What is Cryptography? — An Introduction to Cryptographic Algorithms Encryption is essentially important because it secures data and information from…Sat, 30 Apr 2022 12:00:00 GMThttps://eattheblocks.com/how-to-sign-messages-using-metamask/https://eattheblocks.com/how-to-sign-messages-using-metamask/Signing messages in Ethereum Authentication for web3 ? If you’ve ever interacted with an Ethereum Dapp you’ve probably been asked to “sign” a message or piece…Fri, 29 Apr 2022 12:00:00 GMThttps://eattheblocks.com/foundry-vs-hardhat/https://eattheblocks.com/foundry-vs-hardhat/In this article, we will be comparing two smart contract development frameworks. Hardhat, which is the most used framework for developing smart contracts and…Thu, 28 Apr 2022 12:00:00 GMThttps://eattheblocks.com/how-to-store-your-nft-metadata/https://eattheblocks.com/how-to-store-your-nft-metadata/I will be addressing these issues in this article. More specifically, we will show you how to: Upload Images to IPFS Generate compliant JSON NFT metadata…Tue, 26 Apr 2022 12:00:00 GMThttps://eattheblocks.com/solidity-security-part-4-timestamp-dependence/https://eattheblocks.com/solidity-security-part-4-timestamp-dependence/It’s not uncommon to write a contract in Solidity that only allows certain actions to be performed within specific time constraints. Popular examples of this…Sat, 23 Apr 2022 12:00:00 GMThttps://eattheblocks.com/solidity-security-part-3-frontrunning/https://eattheblocks.com/solidity-security-part-3-frontrunning/Since all transactions are visible in the mempool for a short while before being executed, observers of the network can see and react to an action before it…Fri, 22 Apr 2022 12:00:00 GMThttps://eattheblocks.com/rust-interview-questions/https://eattheblocks.com/rust-interview-questions/Is Rust Garbage Collected? No! One of Rust’s key innovations is guaranteeing memory safety without requiring garbage collection. How do I get command line…Thu, 21 Apr 2022 12:00:00 GMThttps://eattheblocks.com/getting-started-with-anchor-for-solana/https://eattheblocks.com/getting-started-with-anchor-for-solana/1. Installing Rust, Solana, Yarn and Anchor Start by installing all the dependencies. We’re gonna use Anchor which is a framework that will make our lives…Thu, 21 Apr 2022 12:00:00 GMThttps://eattheblocks.com/how-to-do-upgradable-smart-contracts-using-openzeppelin/https://eattheblocks.com/how-to-do-upgradable-smart-contracts-using-openzeppelin/An Upgradable contract is a contract that can be (kind of) altered, after the deployment. At the time this article was written, to use an upgradeable smart…Thu, 21 Apr 2022 12:00:00 GMThttps://eattheblocks.com/getting-started-with-tenderly-for-blockchain-development/https://eattheblocks.com/getting-started-with-tenderly-for-blockchain-development/Overview First things first, we need to get your Smart Contracts into Tenderly to use all of the timesaving features like the Visual Debugger, Gas Profiler…Thu, 21 Apr 2022 12:00:00 GMThttps://eattheblocks.com/solidity-security-part-2-oracle-manipulation/https://eattheblocks.com/solidity-security-part-2-oracle-manipulation/Protocols sometimes require additional information from outside the realm of the blockchain to function correctly. Such off-chain information is provided by…Tue, 19 Apr 2022 12:00:00 GMThttps://eattheblocks.com/solidity-security-part-1-reentrancy-attack/https://eattheblocks.com/solidity-security-part-1-reentrancy-attack/One of the major dangers of calling external contracts is that they can take over the control flow, and make changes to your data that the calling function…Mon, 18 Apr 2022 12:00:00 GMThttps://eattheblocks.com/an-introduction-to-celo-blockchain/https://eattheblocks.com/an-introduction-to-celo-blockchain/Introducing Celo’s Technology Celo is a blockchain ecosystem focused on increasing cryptocurrency adoption among smartphone users. By using phone numbers as…Thu, 07 Apr 2022 12:00:00 GMThttps://eattheblocks.com/solidity-gas-optimization-tip/https://eattheblocks.com/solidity-gas-optimization-tip/Solidity is a special language with many little quirks. A lot of things behave differently in Solidity than most other languages as Solidity is created to…Wed, 06 Apr 2022 12:00:00 GMThttps://eattheblocks.com/10x-solidity-development-using-foundry/https://eattheblocks.com/10x-solidity-development-using-foundry/Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust. Foundry is consistently 1.5x-11x faster than…Tue, 05 Apr 2022 12:00:00 GMThttps://eattheblocks.com/ultimate-solidity-interview-questions-2022/https://eattheblocks.com/ultimate-solidity-interview-questions-2022/What are primitive data types in Solidity? Primitive data types in solidity are: - boolean - uint - int - address What are different variable types in…Mon, 04 Apr 2022 12:00:00 GMThttps://eattheblocks.com/the-erc721-and-erc1155/https://eattheblocks.com/the-erc721-and-erc1155/This is a quick and nontechnical look into the ERC721 and ERC1155 token standards. Both of these token standards are for creating Non-Fungible Tokens also…Fri, 01 Apr 2022 12:00:00 GMThttps://eattheblocks.com/the-ultimate-guide-to-crypto-slang-and-terms/https://eattheblocks.com/the-ultimate-guide-to-crypto-slang-and-terms/If you are following along the conversation between people who have been into crypto for a while you would soon start noticing that they have their slang…Wed, 30 Mar 2022 12:00:00 GMThttps://eattheblocks.com/terra-rises-as-ethereum-killer/https://eattheblocks.com/terra-rises-as-ethereum-killer/Terra is a decentralized financial infrastructure and blockchain protocol that introduces some unique concepts and theories into the market. The network…Tue, 29 Mar 2022 12:00:00 GMThttps://eattheblocks.com/top-visual-studio-plugins-for-web3-and-blockchain-development-in-2022/https://eattheblocks.com/top-visual-studio-plugins-for-web3-and-blockchain-development-in-2022/Although web3 development tools are still pretty new as compared web2 there are some pretty nifty VS code plugins that can help you fast track your…Mon, 28 Mar 2022 12:00:00 GMThttps://eattheblocks.com/what-does-liquidity-pool-actually-mean/https://eattheblocks.com/what-does-liquidity-pool-actually-mean/Overivew The easiest way to understand liquidity pools is to think of them like a pool you might have in your backyard. However, instead of being filled with…Fri, 25 Mar 2022 12:00:00 GMThttps://eattheblocks.com/ethereum-scaling-using-rollups/https://eattheblocks.com/ethereum-scaling-using-rollups/why is scaling up needed? The demand for blockchain space has been increasing substantially over the past years, in particular with the rise of DeFi apps and…Thu, 24 Mar 2022 12:00:00 GMThttps://eattheblocks.com/getting-started-with-cairo-lang/https://eattheblocks.com/getting-started-with-cairo-lang/Installation We recommend working inside a python virtual environment, but you can also install the Cairo package directly. To create and enter the virtual…Wed, 23 Mar 2022 12:00:00 GMThttps://eattheblocks.com/flash-loans-explained/https://eattheblocks.com/flash-loans-explained/Overview Decentralised finance on Ethereum has created a new monetary paradigm. Ethereum’s smart contract architecture has laid the grounds for a…Tue, 22 Mar 2022 12:00:00 GMThttps://eattheblocks.com/dirt-cheap-gas-prices-using-starknet/https://eattheblocks.com/dirt-cheap-gas-prices-using-starknet/Overview As the number of people using Ethereum has grown, the blockchain has reached certain capacity limitations. This has driven up the cost of using the…Fri, 18 Mar 2022 12:00:00 GMThttps://eattheblocks.com/web-2-vs-web-3/https://eattheblocks.com/web-2-vs-web-3/There’s a lot of talk about web 3.0 and the big changes it’ll bring to the industry, but few people really understand why it’s happening and what it’ll mean…Tue, 08 Mar 2022 12:00:00 GMThttps://eattheblocks.com/weekly-blockchain-news-28th-feb/https://eattheblocks.com/weekly-blockchain-news-28th-feb/Ethereum (L1/L2) Ether saw a slight fluctuation in value and is currently at $2600. Ethereum community member called out Coinbase and Kraken for lack of…Mon, 28 Feb 2022 12:00:00 GMThttps://eattheblocks.com/code-your-first-dao/https://eattheblocks.com/code-your-first-dao/DAOs are an effective and safe way to work with like-minded folks around the globe. DAOs are like digital organizations with a bank account. This could be the…Thu, 24 Feb 2022 12:00:00 GMThttps://eattheblocks.com/twitter-bullish-on-ethereum-weekly-news-feb-21-2022/https://eattheblocks.com/twitter-bullish-on-ethereum-weekly-news-feb-21-2022/Twitter bullish on Ethereum | Weekly News Feb 21, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick…Mon, 21 Feb 2022 12:00:00 GMThttps://eattheblocks.com/world-largest-asset-manager-gets-into-crypto-weekly-news-feb-14-2022/https://eattheblocks.com/world-largest-asset-manager-gets-into-crypto-weekly-news-feb-14-2022/Largest Asset Manager Gets Into Crypto | News Feb 14, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick…Mon, 14 Feb 2022 12:00:00 GMThttps://eattheblocks.com/this-dao-wants-to-free-julien-assange/https://eattheblocks.com/this-dao-wants-to-free-julien-assange/In this blog, we will review key events in blockchain from past week. You may also review the quick summary video on our Youtube Channel: Ethereum (L1/L2)…Mon, 07 Feb 2022 12:00:00 GMThttps://eattheblocks.com/new-scary-anti-defi-law-of-sec-weekly-blockchain-news-jan-31-2022/https://eattheblocks.com/new-scary-anti-defi-law-of-sec-weekly-blockchain-news-jan-31-2022/New Anti-DeFi Law From the SEC | News Jan 31, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick summary…Mon, 31 Jan 2022 12:00:00 GMThttps://eattheblocks.com/getting-started-with-polymath-network/https://eattheblocks.com/getting-started-with-polymath-network/Intro Blockchain has revolutionized how financial systems work. It has paved the path to completely new financial paradigms like DeFi where users can engage…Mon, 31 Jan 2022 12:00:00 GMThttps://eattheblocks.com/the-dex-war-has-started-weekly-blockchain-news-jan-24-2022/https://eattheblocks.com/the-dex-war-has-started-weekly-blockchain-news-jan-24-2022/The DEX War Has Started | Blockchain News Jan 24, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick…Mon, 24 Jan 2022 12:00:00 GMThttps://eattheblocks.com/set-up-your-own-ethereum-node-using-geth/https://eattheblocks.com/set-up-your-own-ethereum-node-using-geth/Geth (short for Go Ethereum) is one of the three original implementations (along with C++ and Python) of the Ethereum protocol. It is written in Go, fully…Sat, 22 Jan 2022 12:00:00 GMThttps://eattheblocks.com/getting-started-with-ganache-v7/https://eattheblocks.com/getting-started-with-ganache-v7/Intro OK developers welcome back! In this video I think it's time for us to revisit Ganache. Ganache is part of the Truffle suite of tools and they've just…Fri, 21 Jan 2022 12:00:00 GMThttps://eattheblocks.com/intro-to-bsc/https://eattheblocks.com/intro-to-bsc/Introduction Binance Chain was launched by Binance in April 2019. Its primary focus is to facilitate fast, decentralized (or non-custodial ) trading. Perhaps…Tue, 18 Jan 2022 12:00:00 GMThttps://eattheblocks.com/new-nft-marketplace-overtakes-opensea-weekly-blockchain-news-jan-17-2022/https://eattheblocks.com/new-nft-marketplace-overtakes-opensea-weekly-blockchain-news-jan-17-2022/New NFT Marketplace Overtakes OpenSea | News Jan 17, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick…Mon, 17 Jan 2022 12:00:00 GMThttps://eattheblocks.com/understanding-bored-ape-yacht-club-source-code/https://eattheblocks.com/understanding-bored-ape-yacht-club-source-code/Bored Ape Yacht Club is one of the most popular NFT collection. Many celebrities bought them, they were advertised in Time Square in New York, and recently…Thu, 13 Jan 2022 12:00:00 GMThttps://eattheblocks.com/ethereum-virtual-machine-explained/https://eattheblocks.com/ethereum-virtual-machine-explained/Once you write your first few solidity contracts, you may wonder how are contract actually executed? Sure, when you compile your solidity code it may look…Wed, 12 Jan 2022 12:00:00 GMThttps://eattheblocks.com/introduction-to-flow-blockchain/https://eattheblocks.com/introduction-to-flow-blockchain/‍Flow is a fast, decentralized, and developer-friendly blockchain, designed as the foundation for a new generation of games, apps. Every other decentralized…Tue, 11 Jan 2022 12:00:00 GMThttps://eattheblocks.com/paypal-to-launch-stablecoin-weekly-blockchain-news-jan-10-2022/https://eattheblocks.com/paypal-to-launch-stablecoin-weekly-blockchain-news-jan-10-2022/PayPal to Launch a Stablecoin | Blockchain News Jan 10, 2022. In this blog we will review key events in blockchain from past week. You may also review the…Mon, 10 Jan 2022 12:00:00 GMThttps://eattheblocks.com/crypto-predictions-for-2022/https://eattheblocks.com/crypto-predictions-for-2022/Despite the recent price plunge experienced in the first week of January, the price prediction for the large cryptocurrencies still looks good. However, there…Fri, 07 Jan 2022 12:00:00 GMThttps://eattheblocks.com/understanding-cryptokitties-source-code/https://eattheblocks.com/understanding-cryptokitties-source-code/This article is written for developers, and while it’s not an absolute beginner’s introduction to Solidity, I tried to include links to documentation to make…Thu, 06 Jan 2022 12:00:00 GMThttps://eattheblocks.com/your-first-smart-contract-in-solana/https://eattheblocks.com/your-first-smart-contract-in-solana/Overview In this article you’ll learn about some of the very high level topics related to Solana development such as: development workflows, programs, dApps…Wed, 05 Jan 2022 12:00:00 GMThttps://eattheblocks.com/loopring-explained/https://eattheblocks.com/loopring-explained/Blockchain technology may be decentralizing the world, but there is one element of the distributed ledger technology ecosystem that is in dire need of urgent…Tue, 04 Jan 2022 12:00:00 GMThttps://eattheblocks.com/polygon-hacked-weekly-news-jan-3-2022/https://eattheblocks.com/polygon-hacked-weekly-news-jan-3-2022/Polygon Hacked | Weekly Blockchain News – Jan 3, 2022. In this blog we will review key events in blockchain from past week. You may also review the quick…Mon, 03 Jan 2022 12:00:00 GMThttps://eattheblocks.com/crypto-2021-rewind-glancing-through-key-happenings/https://eattheblocks.com/crypto-2021-rewind-glancing-through-key-happenings/2021 was a crazy year to say the least. Let’s pause for a moment to wrap things up and see what the future holds by taking a sneak peek into next year’s top…Fri, 31 Dec 2021 12:00:00 GMThttps://eattheblocks.com/getting-started-with-fantom-blockchain/https://eattheblocks.com/getting-started-with-fantom-blockchain/At the moment it costs around $120 in Ethereum gas fees just for a token swap on Uniswap. While gas fees in Ethereum are currently prohibitive for most…Thu, 30 Dec 2021 12:00:00 GMThttps://eattheblocks.com/deep-diving-into-cyrptopunk-source-code/https://eattheblocks.com/deep-diving-into-cyrptopunk-source-code/Cryptopunks is a very popular NFT collection, with the top Cryptopunk selling for more than $11M. The CryptoPunks are 10,000 uniquely generated characters. No…Wed, 29 Dec 2021 12:00:00 GMThttps://eattheblocks.com/your-first-dapp-using-create-eth-app/https://eattheblocks.com/your-first-dapp-using-create-eth-app/One of the biggest challenges for setting up a blockchain project is to get the project setup correctly. Create-eth-app is an open source tool that lets you…Tue, 28 Dec 2021 12:00:00 GMThttps://eattheblocks.com/weekly-blockchain-news-december-27-2021/https://eattheblocks.com/weekly-blockchain-news-december-27-2021/Weekly Blockchain News - December 27, 2021. In this blog we will review key events in blockchain from past week. You may also review the quick summary video…Mon, 27 Dec 2021 12:00:00 GMThttps://eattheblocks.com/getting-started-with-smart-contract-security-roadmap/https://eattheblocks.com/getting-started-with-smart-contract-security-roadmap/In 2021 $1.5 billion were hacked from smart contracts. That’s why smart contract security experts are in high demand and can make up to 300k / USD . So how…Fri, 24 Dec 2021 12:00:00 GMThttps://eattheblocks.com/play-to-earn-with-the-sandbox/https://eattheblocks.com/play-to-earn-with-the-sandbox/The Sandbox, which, literally takes place in a sandbox, is a unique game based entirely on the laws of physics and giving access to over 100 different…Thu, 23 Dec 2021 12:00:00 GMThttps://eattheblocks.com/defi-ecosystem-explained/https://eattheblocks.com/defi-ecosystem-explained/DeFi is short for Decentralized Finance. DeFi is the ecosystem of fintech apps built on top of blockchain protocols and therefore decentralized in nature…Wed, 22 Dec 2021 12:00:00 GMThttps://eattheblocks.com/polygon-explained-how-polygon-is-leading-scaling-solutions-for-ethereum/https://eattheblocks.com/polygon-explained-how-polygon-is-leading-scaling-solutions-for-ethereum/Previously known as Matic Network, Polygon is a framework for building interconnected blockchain networks. It seeks to address some of Ethereum's major…Tue, 21 Dec 2021 12:00:00 GMThttps://eattheblocks.com/weekly-blockchain-news-december-20-2021/https://eattheblocks.com/weekly-blockchain-news-december-20-2021/Weekly Blockchain News – December 20, 2021. In this blog we will review key events in blockchain from past week. You may also review the quick summary video…Mon, 20 Dec 2021 12:00:00 GMThttps://eattheblocks.com/the-fascinating-history-of-nfts/https://eattheblocks.com/the-fascinating-history-of-nfts/A NFT (non-fungible token) is data added to a file that creates a unique signature. It can be an image file, a song, a tweet, a text posted on a website, a…Fri, 17 Dec 2021 12:00:00 GMThttps://eattheblocks.com/ipfs-explained-add-decentralized-storage-to-your-dapps/https://eattheblocks.com/ipfs-explained-add-decentralized-storage-to-your-dapps/IPFS is a distributed system for storing and accessing files, websites, applications, and data. IPFS allows users to host and receive content in a manner…Tue, 14 Dec 2021 12:00:00 GMThttps://eattheblocks.com/weekly-blockchain-news-december-13-2021/https://eattheblocks.com/weekly-blockchain-news-december-13-2021/In this blog we will review key events in blockchain from past week. You may also review the quick summary video on our Youtube Channel Bitcoin Touches New…Mon, 13 Dec 2021 12:00:00 GMThttps://eattheblocks.com/create-a-metaverse-nft/https://eattheblocks.com/create-a-metaverse-nft/Since Facebook announced it’s rebranding into Meta, Metaverse projects became super hot. In this article I will show you how to create a Metaverse NFT in…Sat, 11 Dec 2021 12:00:00 GMThttps://eattheblocks.com/chainlink-explained-in-2-mins-for-developers/https://eattheblocks.com/chainlink-explained-in-2-mins-for-developers/If you want to use off-chain data in a smart contract, you need an oracle. Chainlink is the biggest Oracle with integrations with 89 Blockchains, including…Sat, 11 Dec 2021 12:00:00 GMThttps://eattheblocks.com/geth-source-code-explained-in-2-mins/https://eattheblocks.com/geth-source-code-explained-in-2-mins/In this article, we will dive into the source code of Ethereum. Most Blockchain app developers will not go this deep. But if you do, you will gain some unique…Sat, 11 Dec 2021 12:00:00 GMThttps://eattheblocks.com/polkadot-the-next-ethereum/https://eattheblocks.com/polkadot-the-next-ethereum/Currently, blockchains operate separately and in silos hence Interoperability and scalability are long-standing challenges in the blockchain industry. Right…Fri, 10 Dec 2021 12:00:00 GMThttps://eattheblocks.com/getting-started-with-hardhat-smart-contract-framework/https://eattheblocks.com/getting-started-with-hardhat-smart-contract-framework/Hardhat is a new smart contract framework that is gaining popularity in the past year. It makes development and debugging easier with minimual setup or…Mon, 06 Dec 2021 12:00:00 GMThttps://eattheblocks.com/lisk-blockchain-in-2-mins/https://eattheblocks.com/lisk-blockchain-in-2-mins/In this video, I will introduce the Lisk Blockchain. Its Javascript development tools are very easy-to-use. And it has a unique architecture where each…Thu, 02 Dec 2021 12:00:00 GMThttps://eattheblocks.com/decentraland-peek-into-the-metaverse/https://eattheblocks.com/decentraland-peek-into-the-metaverse/All Eyes on the Metaverse Technology frequently produces surprises that nobody predicts. However, the biggest developments are often anticipated decades in…Fri, 26 Nov 2021 12:00:00 GMThttps://eattheblocks.com/hardhat-in-2-mins/https://eattheblocks.com/hardhat-in-2-mins/In this article I will introduce Hardhat , a framework for smart contracts. With Hardhat you can compile, deploy, test, and debug smart contracts. Hardhat…Thu, 25 Nov 2021 12:00:00 GMThttps://eattheblocks.com/how-solana-provides-affordable-daap-scaling/https://eattheblocks.com/how-solana-provides-affordable-daap-scaling/Solana is well positioned providing the infrastructure to support the four pillars of the metaverse: Web 3.0, Decentralized Crypto Trading, Open Finance and…Wed, 24 Nov 2021 12:00:00 GMThttps://eattheblocks.com/black-friday-2021-announcement/https://eattheblocks.com/black-friday-2021-announcement/Hey, do you want to learn Web3 development? Read this! I am Julien, and on my Youtube channel EatTheBlocks I have taught Web3 to millions of developersWed, 24 Nov 2021 12:00:00 GMThttps://eattheblocks.com/introduction-to-the-graph/https://eattheblocks.com/introduction-to-the-graph/One of the big factors that made web 2.0 so successful and modular is access of data through APIs. You can fetch weather information, your twitter feed, your…Sat, 20 Nov 2021 12:00:00 GMThttps://eattheblocks.com/moralis-explained-in-2-mins/https://eattheblocks.com/moralis-explained-in-2-mins/Moralis is Firebase for web3. With Moralis, any web developer can build a Blockchain app with a few lines of Javascript. In this article I will show you: what…Thu, 18 Nov 2021 12:00:00 GMThttps://eattheblocks.com/create-a-10k-nft-collection/https://eattheblocks.com/create-a-10k-nft-collection/In this article I'll show you how to deploy a NFT collection with 10 thousand NFTs. However, it assumes you have your own images and metadata. OverviewWed, 17 Nov 2021 12:00:00 GMThttps://eattheblocks.com/congrats-to-kryptodevelopers-winner-of-the-etb-hackathon-3/https://eattheblocks.com/congrats-to-kryptodevelopers-winner-of-the-etb-hackathon-3/Congratulations to the team of Kryptodevelopers , the winners of ETH Hackathon #3. Kryptodevelopers is an NFT collection based on developers. Each NFT is a…Wed, 17 Nov 2021 12:00:00 GMThttps://eattheblocks.com/scalable-storage-for-your-dapps-using-filecoin/https://eattheblocks.com/scalable-storage-for-your-dapps-using-filecoin/Blockchain is primarily used to store state information. Storage of assets is one of the inherent problem that you as a blockchain developer has to tackle…Tue, 16 Nov 2021 12:00:00 GMThttps://eattheblocks.com/nervos-explained-in-2-mins/https://eattheblocks.com/nervos-explained-in-2-mins/Nervos is an interoperability project. It aims at being the central layer that connects all Blockchain together. In this article I will explain what is…Fri, 12 Nov 2021 12:00:00 GMThttps://eattheblocks.com/web3-development-explained-in-2-mins/https://eattheblocks.com/web3-development-explained-in-2-mins/If you are a developer, you probably heard of Web3 . There is a a massive gold rush to web3 with a ton of capital and talent flocking to the ecosystem. No…Thu, 11 Nov 2021 12:00:00 GMThttps://eattheblocks.com/us-voted-catastrophic-new-law-against-crypto-weekly-blockchain-news/https://eattheblocks.com/us-voted-catastrophic-new-law-against-crypto-weekly-blockchain-news/Ethereum This week was great for Ethereum, with a new all-time high. Ethereum Name Service Airdrop Ethereum Name Service is launching is DAO The DAO wiTue, 09 Nov 2021 12:00:00 GMThttps://eattheblocks.com/immutablex-explained-in-2-mins-for-developers/https://eattheblocks.com/immutablex-explained-in-2-mins-for-developers/One of the biggest problem for NFTs is high gas fees. ImmutableX is a Layer 2 scaling solution for NFTs, built on Ethereum. It has no gas fees, instant…Tue, 09 Nov 2021 12:00:00 GMThttps://eattheblocks.com/how-to-create-nft-on-opensea-for-beginners-no-coding/https://eattheblocks.com/how-to-create-nft-on-opensea-for-beginners-no-coding/In this article I will show you how to create an NFT on Ethereum. We will use OpenSea, The biggest marketplace for NFTs. We will do everything with a UI…Mon, 08 Nov 2021 12:00:00 GMThttps://eattheblocks.com/announcing-nft-101-eattheblock-pro-course/https://eattheblocks.com/announcing-nft-101-eattheblock-pro-course/Blockchain has greatly increased the potential impact a single developer can have on a project as opposed to traditional web 2.0 development. This stands…Mon, 08 Nov 2021 12:00:00 GMThttps://eattheblocks.com/dapptools-supercharge-your-smart-contracts/https://eattheblocks.com/dapptools-supercharge-your-smart-contracts/DappTools is a suite of Ethereum focused CLI tools following the Unix design philosophy, favoring composability, configurability and extensibility . But so is…Fri, 05 Nov 2021 12:00:00 GMThttps://eattheblocks.com/terra-blockchain-explained-in-2-mins/https://eattheblocks.com/terra-blockchain-explained-in-2-mins/Terra is a Blockchain built for ecommerce. In 2021 its price was multiplied by 70, and the value locked in terra is surging . So what is Terra? How does it…Wed, 03 Nov 2021 12:00:00 GMThttps://eattheblocks.com/eattheblocks-is-launching-a-full-course-on-polygon-to-build-scalable-dapps/https://eattheblocks.com/eattheblocks-is-launching-a-full-course-on-polygon-to-build-scalable-dapps/One of the most common roadblock ethereum blockchain developers face is the extremely high transaction fees. Generally it costs hundreds of dollars to deploy…Tue, 02 Nov 2021 12:00:00 GMThttps://eattheblocks.com/introduction-to-algorand-for-developers/https://eattheblocks.com/introduction-to-algorand-for-developers/Every time I see a new Blockchain project, I always wonder: is it worth my time? Or should I just stick to Ethereum? Algorand is an up-and-coming Blockchain…Mon, 01 Nov 2021 12:00:00 GMThttps://eattheblocks.com/how-to-contribute-to-open-source-crypto-projects/https://eattheblocks.com/how-to-contribute-to-open-source-crypto-projects/Open source contributions are a great way to learn, engage and understand how some of the biggest crypto startups actually function. Regardless if you are a…Fri, 29 Oct 2021 12:00:00 GMThttps://eattheblocks.com/metamask-explained-in-2-mins/https://eattheblocks.com/metamask-explained-in-2-mins/Metamask is the most popular wallet in crypto But when you are a beginner, Metamask is NOT easy. In this article I will explain what is Metamask, and how to…Thu, 28 Oct 2021 12:00:00 GMThttps://eattheblocks.com/blockchain-oracles-explained-in-2-mins/https://eattheblocks.com/blockchain-oracles-explained-in-2-mins/Blockchains can only read data which is already in the Blockchain. But most of the interesting data is outside of Blockchain. If we want to unlock the full…Wed, 27 Oct 2021 12:00:00 GMThttps://eattheblocks.com/the-90-million-dollar-compound-finance-bug/https://eattheblocks.com/the-90-million-dollar-compound-finance-bug/As of today, there is about $103.94B locked across all DeFi protocols. While that is great news for a decentralised economy, another way to interpret the fact…Mon, 25 Oct 2021 12:00:00 GMThttps://eattheblocks.com/avalanche-explained-in-2-mins/https://eattheblocks.com/avalanche-explained-in-2-mins/Avalanche is a new Blockchain that became very popular in 2021. It claims to be a better Ethereum, with more transaction per second and lower fees, all thanks…Fri, 22 Oct 2021 12:00:00 GMThttps://eattheblocks.com/web3-js-explained-in-2-mins/https://eattheblocks.com/web3-js-explained-in-2-mins/If you want to interact with a smart contract on Ethereum, the API of Ethereum is complicated. To interact with a smart contract, you have to use a couple of…Wed, 20 Oct 2021 12:00:00 GMThttps://eattheblocks.com/decentralized-autonomous-organizations-daos-explained-in-2-mins/https://eattheblocks.com/decentralized-autonomous-organizations-daos-explained-in-2-mins/ICO, DeFi, NFT, there is always a new bubble in crypto. But there is one bubble we haven’t seen yet. And when it happens, it’s going to change the world. I am…Tue, 19 Oct 2021 12:00:00 GMThttps://eattheblocks.com/flashbots-explained-simply/https://eattheblocks.com/flashbots-explained-simply/On Ethereum, miners have an unfair advantage called MEV . Since 2020, miners made more than 700M dollars, using techniques like front-running and sandwich…Mon, 18 Oct 2021 12:00:00 GMThttps://eattheblocks.com/solana-explained-in-2-mins/https://eattheblocks.com/solana-explained-in-2-mins/Solana has been described as the next Ethereum killer. In 2021, the price of Solana skyrocketed. Even Celebrities are jumping on the Solana train. Is the the…Thu, 14 Oct 2021 12:00:00 GMThttps://eattheblocks.com/solidity-explained-in-2-mins/https://eattheblocks.com/solidity-explained-in-2-mins/Solidity is a language for creating Blockchain smart contracts. You can use it to create smart contracts, on more than 200 Blockchain networks, including…Wed, 13 Oct 2021 12:00:00 GMThttps://eattheblocks.com/the-3-most-important-smart-contracts-in-defi/https://eattheblocks.com/the-3-most-important-smart-contracts-in-defi/It’s so exhausting to keep up with all these new DeFi projects. But very few DeFi projects are really original. Most of them are copies and just re-use the…Tue, 12 Oct 2021 12:00:00 GMThttps://eattheblocks.com/how-to-perform-custom-ethereum-flash-loans-using-solidity-erc-3156-standard/https://eattheblocks.com/how-to-perform-custom-ethereum-flash-loans-using-solidity-erc-3156-standard/What will I learn? Connecting and using an Ethereum testnet What is a flash loan (ERC 3156) Flash loan interfaces Flash loan wrappers Using a flash loan…Mon, 28 Jun 2021 12:00:00 GMThttps://eattheblocks.com/how-to-manipulate-strings-in-solidity/https://eattheblocks.com/how-to-manipulate-strings-in-solidity/Solidity code snippets: concatenate 2 strings, compare 2 strings, calculate length of strings and reverse stringsMon, 06 Apr 2020 12:00:00 GMThttps://eattheblocks.com/how-to-generate-a-random-number-in-smart-contract/https://eattheblocks.com/how-to-generate-a-random-number-in-smart-contract/Code snippet to generate a random number in smart contract with Solidity in SAFE way with an Oracle.Fri, 03 Apr 2020 12:00:00 GMThttps://eattheblocks.com/ethereum-tokens-explained-to-developers-full-guide-9-tokens-covered/https://eattheblocks.com/ethereum-tokens-explained-to-developers-full-guide-9-tokens-covered/Full Video Tutorial on Ethereum Tokens: ERC20, ERC721, ERC777, ERC1155, ERC1400, ERC165 & ERC1820Thu, 21 Nov 2019 12:00:00 GMThttps://eattheblocks.com/what-is-ethereum-gas-dead-simple-explanation/https://eattheblocks.com/what-is-ethereum-gas-dead-simple-explanation/Who pays for Gas? Who receive Gas? Where to buy Gas? 6 super simple questions on Ethereum Gas, for developers.Sun, 27 Oct 2019 12:00:00 GMThttps://eattheblocks.com/how-error-propagate-between-contracts-in-solidity/https://eattheblocks.com/how-error-propagate-between-contracts-in-solidity/Let's say we have 2 smart contracts. A and B. A calls B, and B throws an error. What happen in A? Not sure? haha, that's a tricky one! Actually it depends on…Tue, 22 Oct 2019 12:00:00 GMThttps://eattheblocks.com/how-to-transfer-erc20-tokens-with-solidity/https://eattheblocks.com/how-to-transfer-erc20-tokens-with-solidity/ERC20 tokens allow you to create your own coin inside Ethereum. They are used in many projects to represent financial assets, in-game assets, collectibSat, 19 Oct 2019 12:00:00 GMThttps://eattheblocks.com/how-to-transfer-ether-between-2-smart-contracts/https://eattheblocks.com/how-to-transfer-ether-between-2-smart-contracts/Up-do-date Solidity code snippet to transfer ether from a smart contract to another one or to a regular Ethereum addressThu, 17 Oct 2019 12:00:00 GMThttps://eattheblocks.com/solidity-vs-javascript-arrays/https://eattheblocks.com/solidity-vs-javascript-arrays/Learn the differences between Solidity & Javacript arraysFri, 11 Oct 2019 12:00:00 GMThttps://eattheblocks.com/introduction-to-web3-js-1-2-latest-version-beginners-tutorial/https://eattheblocks.com/introduction-to-web3-js-1-2-latest-version-beginners-tutorial/Learn how to use Web3 JS (1.2, latest version) to read and write data in a smart contract on the Ethereum Blockchain. Also covers events.Thu, 05 Sep 2019 12:00:00 GMThttps://eattheblocks.com/imaging-you-wake-up-own-day-with-all-your-ether-gone/https://eattheblocks.com/imaging-you-wake-up-own-day-with-all-your-ether-gone/How an address colision can empty all your Ether in your Ethereum wallet...Tue, 03 Sep 2019 12:00:00 GMThttps://eattheblocks.com/introducing-the-forum-of-eattheblocks/https://eattheblocks.com/introducing-the-forum-of-eattheblocks/Online Community For Blockchain Developers. Discussions on Ethereum, Dapps & Solidity. Get help and meet fellow Blockchain developers.Mon, 26 Aug 2019 12:00:00 GMThttps://eattheblocks.com/the-smart-contract-30-course-is-finished/https://eattheblocks.com/the-smart-contract-30-course-is-finished/Smart contract 30, the most in-depth course for learning smart contract programming with Solidity is complete! This is the result of 6 month of efforts.Sun, 21 Jul 2019 12:00:00 GMThttps://eattheblocks.com/how-to-not-be-screwed-as-a-blockchain-developer-if-you-are-paid-in-crypto/https://eattheblocks.com/how-to-not-be-screwed-as-a-blockchain-developer-if-you-are-paid-in-crypto/Ready to accept a token / crypto bonus for your next blockchain job? READ THESE 6 TRAPS if you don't want to be screwed by your company.Mon, 08 Jul 2019 12:00:00 GMThttps://eattheblocks.com/new-videos-on-eattheblocks-vue-dapp-solidity-assembly-oracle/https://eattheblocks.com/new-videos-on-eattheblocks-vue-dapp-solidity-assembly-oracle/Tip: If you don't want to miss any updates, checkout the updates page of EatTheBlocks Pro. Vue Dapps The Drizzle team is about to roll out a new plugin for…Thu, 04 Jul 2019 12:00:00 GMThttps://eattheblocks.com/overview-of-solutions-for-querying-ethereum-with-graphql/https://eattheblocks.com/overview-of-solutions-for-querying-ethereum-with-graphql/Description of different approaches for using GraphQL with Ethereum. Cover 4 projects, including EthQL, TheGraph, EIP1167.Tue, 02 Jul 2019 12:00:00 GMThttps://eattheblocks.com/how-much-blockchain-developers-really-make/https://eattheblocks.com/how-much-blockchain-developers-really-make/According to Hired, blockchain developers can command salaries between 140,000 USD to 180,000 USD. Sounds amazing, right? But is it really true?Sun, 30 Jun 2019 12:00:00 GMThttps://eattheblocks.com/overview-of-the-github-repos-of-truffle/https://eattheblocks.com/overview-of-the-github-repos-of-truffle/Truffle, Ganache, Drizzle.... In this article I will give you a high level overview of the main github repos inside the Trufflesuite organization.Sun, 30 Jun 2019 12:00:00 GMThttps://eattheblocks.com/how-to-optimize-gas-cost-in-a-solidity-smart-contract-6-tips/https://eattheblocks.com/how-to-optimize-gas-cost-in-a-solidity-smart-contract-6-tips/Minimize on-chain data, turn on Solidity optimizations....6 tips to reduce significantly your gas consumption in your Ethereum smart contractsFri, 28 Jun 2019 12:00:00 GMThttps://eattheblocks.com/what-is-ethereum-gas-guide-solidity-developers/https://eattheblocks.com/what-is-ethereum-gas-guide-solidity-developers/Full detailed explanation of Ethereum gas, the unit used in Ethereum transactions.. Covers gas price and gas limit, and how to set the gas price for a txThu, 27 Jun 2019 12:00:00 GMThttps://eattheblocks.com/walkthrough-the-new-ui-of-remix/https://eattheblocks.com/walkthrough-the-new-ui-of-remix/Explanation + annotated screenshots of the the new UI of Remix, the online IDE for Solidity. Basic setup plus customization with plugin manager.Wed, 26 Jun 2019 12:00:00 GMThttps://eattheblocks.com/new-course-for-testing-solidity-smart-contracts/https://eattheblocks.com/new-course-for-testing-solidity-smart-contracts/In this course, we test 30 Solidity smart contracts with Truffle and web3. Covers simple to advanced contracts like DAO, Rock Paper Scissors, Ebay, etc...Tue, 25 Jun 2019 12:00:00 GMThttps://eattheblocks.com/list-blockchain-solidity-can-be-used/https://eattheblocks.com/list-blockchain-solidity-can-be-used/Quorum, Tron, etc... Beside Ethereum, there are many other blockchain where you can use Solidity smart contracts. Find out in this article.Mon, 24 Jun 2019 12:00:00 GMThttps://eattheblocks.com/alternatives-to-web3-js/https://eattheblocks.com/alternatives-to-web3-js/Web3.js is the leading client library for Ethereum. Personally, I am fine with it, but I know that some developers don't like it because of the beta that…Sun, 23 Jun 2019 12:00:00 GMThttps://eattheblocks.com/announcement-i-will-speak-trufflecon-drizzle-events/https://eattheblocks.com/announcement-i-will-speak-trufflecon-drizzle-events/I have 3 questions for you. Question 1: Do you know Drizzle , the framework for building Dapp frontend? That can help you massively, and if you don't use it…Sat, 22 Jun 2019 12:00:00 GMThttps://eattheblocks.com/what-to-build-on-ethereum-dapp-ideas/https://eattheblocks.com/what-to-build-on-ethereum-dapp-ideas/So, you are thinking of building a Dapp on Ethereum, but you are still not sure what to build? In this article, I will give a few tips to find some good Dapp…Fri, 21 Jun 2019 12:00:00 GMThttps://eattheblocks.com/the-ultimate-collection-of-solidity-interview-questions/https://eattheblocks.com/the-ultimate-collection-of-solidity-interview-questions/100 questions and answers to help you prepare your Solidity interviews. From Easy to Difficult. Covers most areas of Solidity and Ethereum smart contracts.Thu, 20 Jun 2019 12:00:00 GMThttps://eattheblocks.com/how-i-got-2-jobs-as-a-blockchain-developer-real-story/https://eattheblocks.com/how-i-got-2-jobs-as-a-blockchain-developer-real-story/The real story of how I found my first 2 jobs as a blockchain developer. I found both position in 1 month, and both of them were remote with great pay.Wed, 19 Jun 2019 12:00:00 GMThttps://eattheblocks.com/graph-memory-locations-in-solidity/https://eattheblocks.com/graph-memory-locations-in-solidity/Graph / visual representation of memory locations in Solidity smart contracts: memory, storage, calldata and stackMon, 17 Jun 2019 12:00:00 GMThttps://eattheblocks.com/which-version-of-web3-should-you-use/https://eattheblocks.com/which-version-of-web3-should-you-use/Tired of the web3 never ending beta and all the unstable releases? Checkout this article to know which version of web3 is stableMon, 17 Jun 2019 12:00:00 GMThttps://eattheblocks.com/call-vs-transaction-api-in-ethereum/https://eattheblocks.com/call-vs-transaction-api-in-ethereum/Learn how to read and modify blockchain data by combining the 2 Ethereum APIs Calls & Transactions with the 2 Solidity function types view and non-view.Sun, 16 Jun 2019 12:00:00 GMThttps://eattheblocks.com/truffle-framework-cheatsheet/https://eattheblocks.com/truffle-framework-cheatsheet/The documentation of the Truffle framework is pretty good, but it can be a bit overwhelming for a beginner. This cheatsheet is a condensed version giving you…Fri, 14 Jun 2019 12:00:00 GMThttps://eattheblocks.com/eattheblocks-pro-subscription-price-increase-10-usd-15-usd/https://eattheblocks.com/eattheblocks-pro-subscription-price-increase-10-usd-15-usd/Disclaimer: the price increase will NOT affect existing users who subscribed before June 10th. If you are an existing subscriber or that you subscribed before…Tue, 04 Jun 2019 12:00:00 GMThttps://eattheblocks.com/10-factor-dapps-best-design-practices-for-ethereum-dapps/https://eattheblocks.com/10-factor-dapps-best-design-practices-for-ethereum-dapps/10 Best Practices To Follow When You Design Your Ethereum Dapp / Solidity Smart Contract. Covers Security, Architecture And UI.Tue, 07 May 2019 12:00:00 GMThttps://eattheblocks.com/how-to-import-solidity-abi-to-dapp-frontend-4-solutions/https://eattheblocks.com/how-to-import-solidity-abi-to-dapp-frontend-4-solutions/Learn 4 different ways of importing a Solidity ABI to your Dapp. Covers development-friendly solutions with webpack and webpack-solidity-loaderTue, 16 Apr 2019 12:00:00 GMThttps://eattheblocks.com/tons-of-tutorial-for-drizzle-trufflecon-eattheblocks-newsletter-29/https://eattheblocks.com/tons-of-tutorial-for-drizzle-trufflecon-eattheblocks-newsletter-29/Tons of tutorial for developing Dapps with Drizzle, TruffleCon announced in August 2019. Checkout the latest newsletter of EatTheBlocksFri, 05 Apr 2019 12:00:00 GMThttps://eattheblocks.com/solidity-tutorial-complete-step-by-step-guide-for-beginners-2019/https://eattheblocks.com/solidity-tutorial-complete-step-by-step-guide-for-beginners-2019/Complete Solidity tutorial for beginners. We will build 5 smart contracts, with step-by-step instructions. No setup required. Up-to-date Solidity 0.5.x.Mon, 25 Mar 2019 12:00:00 GMThttps://eattheblocks.com/erc20-token-tutorial-create-a-custom-token-in-solidity/https://eattheblocks.com/erc20-token-tutorial-create-a-custom-token-in-solidity/Complete video tutorial for coding a custom implementation of ERC20 token in Solidity. No library used, only Solidity. Also covers the ERC20 spec.Sun, 24 Mar 2019 12:00:00 GMThttps://eattheblocks.com/100-video-tutorials-on-ethereum-solidity-development/https://eattheblocks.com/100-video-tutorials-on-ethereum-solidity-development/100+ videos tutorial on Ethereum / Solidity development. That's 16h hour of high quality content on smart contract programming and Dapp development.Thu, 21 Mar 2019 12:00:00 GMThttps://eattheblocks.com/nft-qr-dispenser-defi-project-tracker-eattheblocks-newsletter-28/https://eattheblocks.com/nft-qr-dispenser-defi-project-tracker-eattheblocks-newsletter-28/NFT QR Dispenser, Defi project tracker, Vyper GUI | EatTheBlocks Newsletter #28Thu, 21 Mar 2019 12:00:00 GMThttps://eattheblocks.com/advanced-drizzle-tutorial-create-your-own-dapp-components-with-react-and-context-api/https://eattheblocks.com/advanced-drizzle-tutorial-create-your-own-dapp-components-with-react-and-context-api/Advanced Drizzle Tutorial: Create your own Dapp components with React. Learn how to use new Drizzle / React Context Api to pass Drizzle to your child…Sun, 17 Mar 2019 12:00:00 GMThttps://eattheblocks.com/introduction-to-drizzle-dapp-tutorial-with-react-truffle/https://eattheblocks.com/introduction-to-drizzle-dapp-tutorial-with-react-truffle/Introduction to Drizzle, the framework for building Ethereum Dapp frontend. Covers integration with Truffle and React. 48min Video + Article.Sun, 10 Mar 2019 12:00:00 GMThttps://eattheblocks.com/casino-reddit-airbnb-solidity-tutorial-eattheblocks-newsletter-27/https://eattheblocks.com/casino-reddit-airbnb-solidity-tutorial-eattheblocks-newsletter-27/Lottery , Fomo3D & Rock Paper Scissors Solidity tutorials - Have you ever dreamed of running your own decentralized casino? Checkout these tutorials! Building…Fri, 01 Mar 2019 12:00:00 GMThttps://eattheblocks.com/rock-paper-scissors-solidity-tutorial/https://eattheblocks.com/rock-paper-scissors-solidity-tutorial/Solidity Tutorial for Rock Paper Scissors. You will learn how to deal with private data in smart contract with commit / reveal schemeTue, 26 Feb 2019 12:00:00 GMThttps://eattheblocks.com/fomo3d-tutorial/https://eattheblocks.com/fomo3d-tutorial/Tutorial to develop a smart contract like the famous Fomo3D lottery game. With this smart contract, you can run your own decentralized casino!Sun, 24 Feb 2019 12:00:00 GMThttps://eattheblocks.com/lottery-in-solidity/https://eattheblocks.com/lottery-in-solidity/Video Tutorial For A Lottery Smart Contract In Solidity. Learn To Generat Random Numbers In A Range With Solidity Keccak256() and abi.encodePacked()Sat, 23 Feb 2019 12:00:00 GMThttps://eattheblocks.com/event-organization-smart-contract/https://eattheblocks.com/event-organization-smart-contract/Learn how to build smart contract for event organization with solidity. Will cover the initial sell of tickets, and secondary market.Thu, 21 Feb 2019 12:00:00 GMThttps://eattheblocks.com/loan-state-machine-in-solidity/https://eattheblocks.com/loan-state-machine-in-solidity/In this video we will create a loan smart contract with Solidity. There will be 2 kind of parties interacting with the smart contract: investors borrowers The…Tue, 19 Feb 2019 12:00:00 GMThttps://eattheblocks.com/testing-dates-in-solidity-smart-contracts-part-i/https://eattheblocks.com/testing-dates-in-solidity-smart-contracts-part-i/Learn how to pass convert Javascript dates to a format compatible with Solidity smart contracts.Sun, 17 Feb 2019 12:00:00 GMThttps://eattheblocks.com/more-tricks-for-bn-js-big-number-library-in-truffle-tests/https://eattheblocks.com/more-tricks-for-bn-js-big-number-library-in-truffle-tests/How to use the the Big Number (bn.js) to test Solidity smart contracts in your Truffle tests? Add, compare big numbers, and more... Video tutorial.Sat, 16 Feb 2019 12:00:00 GMThttps://eattheblocks.com/testing-integers-in-smart-contract-with-truffle-and-bn-js-big-number/https://eattheblocks.com/testing-integers-in-smart-contract-with-truffle-and-bn-js-big-number/Tutorial for how to use the bn.js (Big Number) library to test integers in Solidity smart contracts, with the Truffle framework.Thu, 14 Feb 2019 12:00:00 GMThttps://eattheblocks.com/etherdelta-smart-contract-walkthrough/https://eattheblocks.com/etherdelta-smart-contract-walkthrough/Walkthrough of Etherdelta Solidity smart contract. Full explanations of how the trade process work, tokens movements, on-chain trades & off-chain orderbookWed, 13 Feb 2019 12:00:00 GMThttps://eattheblocks.com/etherdelta-decentralized-exchanges-walkthrough-0x-chrome-extension-eattheblocks-newsletter-26/https://eattheblocks.com/etherdelta-decentralized-exchanges-walkthrough-0x-chrome-extension-eattheblocks-newsletter-26/Etherdelta smart contract walkthrough - Full explanation of the Solidity smart contract of Etherdelta (decentralized exchange). How the trade process work…Tue, 12 Feb 2019 12:00:00 GMThttps://eattheblocks.com/isolate-smart-contract-tests-with-truffle-clean-room-features/https://eattheblocks.com/isolate-smart-contract-tests-with-truffle-clean-room-features/Do you know what is the Truffle clean room feature? It's a nice feature of Truffle that isolate tests of your smart contracts. Explanations here.Tue, 12 Feb 2019 12:00:00 GMThttps://eattheblocks.com/truffle-variable-injection-magic-test-files/https://eattheblocks.com/truffle-variable-injection-magic-test-files/Learn how the Truffle framework magically injects `artifacts` and `Web3` objects in test files and migration files. Truffle internals explained.Sun, 10 Feb 2019 12:00:00 GMThttps://eattheblocks.com/basic-testing-workflow-with-truffle-part-2/https://eattheblocks.com/basic-testing-workflow-with-truffle-part-2/Learn the workflow of Solidity testing, using the test-driven-development (TDD) approach: first write the tests, then write implementations.Sat, 09 Feb 2019 12:00:00 GMThttps://eattheblocks.com/new-0x-developer-course-free-tutorial-for-debugging-smart-contract-eattheblocks-newsletter-25/https://eattheblocks.com/new-0x-developer-course-free-tutorial-for-debugging-smart-contract-eattheblocks-newsletter-25/New 0x Developer course, free tutorial for debugging smart contract | EatTheBlocks Newsletter #25Fri, 08 Feb 2019 12:00:00 GMThttps://eattheblocks.com/basic-testing-workflow-with-truffle-part-i/https://eattheblocks.com/basic-testing-workflow-with-truffle-part-i/Learn the basic workflow for testing your Solidity smart contracts with Truffle. Covers file organization, and how to arrange / test / assert in test filesThu, 07 Feb 2019 12:00:00 GMThttps://eattheblocks.com/using-truffle-contract-to-communicate-with-smart-contracts/https://eattheblocks.com/using-truffle-contract-to-communicate-with-smart-contracts/Tutorial for Truffle-Contract, the library of Truffle to interact with Solidity smart contract. Part of the course on testing smart contract with Truffle.Tue, 05 Feb 2019 12:00:00 GMThttps://eattheblocks.com/understanding-truffle-contract-artifacts-and-abstractions/https://eattheblocks.com/understanding-truffle-contract-artifacts-and-abstractions/Tutorial on how Truffle contract artifacts and contract abstractions are used to manage Solidity smart contract deployments in Truffle.Sun, 03 Feb 2019 12:00:00 GMThttps://eattheblocks.com/install-truffle-5-0/https://eattheblocks.com/install-truffle-5-0/Tutorial to install Truffle 5.0, including how to upgrade from an older version of Truffle. Also included is an explanation of the Solidity upgrade.Sat, 02 Feb 2019 12:00:00 GMThttps://eattheblocks.com/truffle-testing-framework-introduction/https://eattheblocks.com/truffle-testing-framework-introduction/Introduction of the testing features of the Truffle framework: folder organization and supported languages for testsWed, 30 Jan 2019 12:00:00 GMThttps://eattheblocks.com/unit-vs-integration-tests-for-smart-contracts/https://eattheblocks.com/unit-vs-integration-tests-for-smart-contracts/Do you know the difference between unit test and integration tests? Watch video to understand which benefits they bring for your smart contract testsWed, 30 Jan 2019 12:00:00 GMThttps://eattheblocks.com/test-driven-development-for-solidity/https://eattheblocks.com/test-driven-development-for-solidity/Do you write tests for your Solidity smart contracts? Congrats if you do, and if don't it's time to start! If you do, do you write your Solidity smart…Wed, 30 Jan 2019 12:00:00 GMThttps://eattheblocks.com/dao-part-v/https://eattheblocks.com/dao-part-v/Last part of this video tutorial on the DAO smart contract in Solidity. We will finish and test the smart contract + live demo in Remix of how the DAO work!Tue, 29 Jan 2019 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-24-dao-smart-contract-tutorial/https://eattheblocks.com/eattheblocks-newsletter-24-dao-smart-contract-tutorial/EatTheBlocks Newsletter #24 - DAO smart contract tutorial, Slither tutorial (smart contract security tool) & more...Tue, 29 Jan 2019 12:00:00 GMThttps://eattheblocks.com/dao-part-iv/https://eattheblocks.com/dao-part-iv/In this video, we are going to allow investors of the DAO to: create investment proposals vote on each investment proposal We will manipulate Solidity…Sun, 27 Jan 2019 12:00:00 GMThttps://eattheblocks.com/dao-part-iii/https://eattheblocks.com/dao-part-iii/Part III of the tutorial on how to build a DAO smart contract. The DAO is an autonomous investment fund controlled by investors via a smart contract.Sat, 26 Jan 2019 12:00:00 GMThttps://eattheblocks.com/dao-part-ii/https://eattheblocks.com/dao-part-ii/In this video, we start to build the DAO smart contract, and implement the following features: Collect investor money in Ether Keep track of investor money in…Fri, 25 Jan 2019 12:00:00 GMThttps://eattheblocks.com/dao-part-i/https://eattheblocks.com/dao-part-i/In this new series of videos, we are going to build a DAO (Decentralized Autonomous Organization) smart contract. The DAO was a revolutionary kind of…Thu, 24 Jan 2019 12:00:00 GMThttps://eattheblocks.com/remix-debugger-advanced/https://eattheblocks.com/remix-debugger-advanced/7:55 Tutorial video to teach you how to use the Solidity debugger: Breakpoints / Step Over, to quickly reach where you want to debug your Solidity code.Wed, 23 Jan 2019 12:00:00 GMThttps://eattheblocks.com/remix-debugger-introduction/https://eattheblocks.com/remix-debugger-introduction/10:29 tutorial video to understand how to use the Remix debugger to debug your Solidity smart contracts. Variables inspection, navigation in code execution...Tue, 22 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-with-events/https://eattheblocks.com/debugging-with-events/Learn how to debug Solidity Smart contract with console.log() statement like in Javascript! 9:30 video with source codeMon, 21 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-with-require-and-revert/https://eattheblocks.com/debugging-with-require-and-revert/In Solidity, require and revert statements are used to check some pre-conditions before executing the main part of a function. However, these Solidity…Sun, 20 Jan 2019 12:00:00 GMThttps://eattheblocks.com/inspect-storage-with-calls-return-statements/https://eattheblocks.com/inspect-storage-with-calls-return-statements/Return statements in Solidity can be used to inspect the values of your Solidity variables. In this 5:49 mins tutorial video I explain this.Sat, 19 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-vm-exception-invalid-opcode-revert/https://eattheblocks.com/debugging-vm-exception-invalid-opcode-revert/Frustrated with Invalid opcode / revert errors in Solidity? Watch this 7:23mins video tutorial to understand these errors and how to debug themFri, 18 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-vm-exception-out-of-gas/https://eattheblocks.com/debugging-vm-exception-out-of-gas/How to debug out of gas errors? how to know / estimate how much gas is needed for a transaction in a Solidity smart contract? Answer in this 6:55mins video!Thu, 17 Jan 2019 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-23-smart-contract-debugging-course-state-channel-framework/https://eattheblocks.com/eattheblocks-newsletter-23-smart-contract-debugging-course-state-channel-framework/Debugging smart contracts - New video course on EatTheBlocks Pro. Teach how to console.log in Solidity, how to use Solidity debugger, different kind of…Wed, 16 Jan 2019 12:00:00 GMThttps://eattheblocks.com/types-of-solidity-runtime-errors/https://eattheblocks.com/types-of-solidity-runtime-errors/List and explanations of all errors in Solidity: "stack overflow", "stack undeflow", "invalid opcode". 2:59 videoWed, 16 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-with-syntax-highlighting/https://eattheblocks.com/debugging-with-syntax-highlighting/How to fix the usual Solidity syntax errors? * How to setup syntax highlighting in other code editor than Remix (Visual Studio Code, etc..)? Tutorial videoTue, 15 Jan 2019 12:00:00 GMThttps://eattheblocks.com/syntax-vs-runtime-vs-logic-errors-in-solidity/https://eattheblocks.com/syntax-vs-runtime-vs-logic-errors-in-solidity/Syntax, runtime and logic errors. What is the difference? To debug effectively your Solidity smart contracts, you need to know this. Answer in this video.Mon, 14 Jan 2019 12:00:00 GMThttps://eattheblocks.com/debugging-calls-vs-transactions/https://eattheblocks.com/debugging-calls-vs-transactions/Do you know the difference between a transaction and a call in Ethereum? Depending on which API you use, debugging your smart contract is different.Sun, 13 Jan 2019 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-22-smart-contract-security-course-how-to-get-job-crypto-industry/https://eattheblocks.com/eattheblocks-newsletter-22-smart-contract-security-course-how-to-get-job-crypto-industry/Learn to write safe smart contracts with this smart contract security course, learn to get a job in crypo with founder of CryptoJobLists.com...Fri, 11 Jan 2019 12:00:00 GMThttps://eattheblocks.com/interview-with-founder-of-cryptojobslist-how-to-find-a-job-in-crypto-blockchain-industry/https://eattheblocks.com/interview-with-founder-of-cryptojobslist-how-to-find-a-job-in-crypto-blockchain-industry/Valuable insights on the blockchain job market in 2019 in this 28min video interview of the founder of CryptoJobsList, the #1 crypto job boardSun, 06 Jan 2019 12:00:00 GMThttps://eattheblocks.com/split-payment-part-ii/https://eattheblocks.com/split-payment-part-ii/End of tutorial on split payment smart contract. Learn to use Solidity require statement to implement access control in smart contracts.Wed, 02 Jan 2019 12:00:00 GMThttps://eattheblocks.com/split-payment-part-i/https://eattheblocks.com/split-payment-part-i/Video tutorial for a Split payment smart contract in Solidity. Shows how to specify an array of payable address in Solidity.Tue, 01 Jan 2019 12:00:00 GMThttps://eattheblocks.com/ether-wallet-part-iii/https://eattheblocks.com/ether-wallet-part-iii/Last part of the Ether wallet smart contract tutorial. You will learn the different units of Ether (wei gwei, etc...) and how to send Ether with SolidityMon, 31 Dec 2018 12:00:00 GMThttps://eattheblocks.com/ether-wallet-part-ii/https://eattheblocks.com/ether-wallet-part-ii/In the previous episode we started an Ether wallet smart contract, and we can now send Ether to another address. However, everybody can call the send()…Sun, 30 Dec 2018 12:00:00 GMThttps://eattheblocks.com/ether-wallet-parti/https://eattheblocks.com/ether-wallet-parti/Learn to code an Ether wallet with a Solidity smart contract. Part I. How to use the transfer() method of an address variable.Sat, 29 Dec 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-21-learn-smart-contract-testing-truffle5-0-0x-fork-hydro/https://eattheblocks.com/eattheblocks-newsletter-21-learn-smart-contract-testing-truffle5-0-0x-fork-hydro/Smart Contract Testing Course - I just released a new course on Solidity smart contract testing on EatTheBlocks Pro. Uses the Test-Driven-Development (Fri, 28 Dec 2018 12:00:00 GMThttps://eattheblocks.com/crud-part-iv/https://eattheblocks.com/crud-part-iv/Part IV of the video tutorial for coding a CRUD smart contract. We will learn learn how to use the revert Solidity construct to product errorsFri, 28 Dec 2018 12:00:00 GMThttps://eattheblocks.com/crud-part-iii/https://eattheblocks.com/crud-part-iii/Part III of CRUD contract tutorial: Refactor common code into own function. You will learn how to call a function from another function in SoldityThu, 27 Dec 2018 12:00:00 GMThttps://eattheblocks.com/crud-part-ii/https://eattheblocks.com/crud-part-ii/Part II of the CRUD smart contract tutorial. You will learn how to delete an entry of a Solidity array. Part of the "Smart Contract 30" series.Wed, 26 Dec 2018 12:00:00 GMThttps://eattheblocks.com/crud-parti/https://eattheblocks.com/crud-parti/Let's create a CRUD (Create, Read, Update, Delete) smart contract in Solidity Covers Solidity struct and array of structs. Duration: 9m12s.Tue, 25 Dec 2018 12:00:00 GMThttps://eattheblocks.com/advanced-storage/https://eattheblocks.com/advanced-storage/Introduction to Solidity array: how to declare an array, how to get a specific element and how to get the total length.Mon, 24 Dec 2018 12:00:00 GMThttps://eattheblocks.com/simple-storage-part-ii/https://eattheblocks.com/simple-storage-part-ii/Video tutorial to create a simple storage smart contract in Solidity. Difference between transaction and calls and Solidity. 5:57 mins + source code.Sun, 23 Dec 2018 12:00:00 GMThttps://eattheblocks.com/simple-storage-part-i/https://eattheblocks.com/simple-storage-part-i/12:01min Video tutorial to create a simple storage smart contract. How to persist data with storage variable in Solidity? How to update a state variable?Sat, 22 Dec 2018 12:00:00 GMThttps://eattheblocks.com/helloworld-smart-contract/https://eattheblocks.com/helloworld-smart-contract/The obligatory hello world tutorial! Here we go! In this video, I am going to show you how to create a simple hello world smart contract that is able to…Fri, 21 Dec 2018 12:00:00 GMThttps://eattheblocks.com/day-1-simple-smart-contract/https://eattheblocks.com/day-1-simple-smart-contract/Beginner-level tutorial for Solidity / Ethereum smart contract. We will use Remix, the IDE for Solidity. Learn how to deploy a smart contract with Remix.Thu, 20 Dec 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-20-open-source-social-dapp-dns-on-top-of-ethereum/https://eattheblocks.com/eattheblocks-newsletter-20-open-source-social-dapp-dns-on-top-of-ethereum/Smart Contract 30 - I just released a new course to learn Solidity smart contracts for total Beginners, on EatTheBlocks Pro! Build 30 smart contracts iTue, 18 Dec 2018 12:00:00 GMThttps://eattheblocks.com/introducing-smart-contract-30-a-30-days-course-on-solidity/https://eattheblocks.com/introducing-smart-contract-30-a-30-days-course-on-solidity/Learn Ethereum Smart Contracts & Solidity by Coding 30 Smart Contracts In 30 Days. Beginner-Level Course. Use the Remix Online IDE, No Setup Required.Sun, 16 Dec 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-19-trading-widget-for-0x-react-dapp-tutorial/https://eattheblocks.com/eattheblocks-newsletter-19-trading-widget-for-0x-react-dapp-tutorial/EatTheBlocks Pro new shiny home - I have released a major update to EatTheBlocks Pro, my paid screencast for Ethereum . Also, I released a new membershTue, 11 Dec 2018 12:00:00 GMThttps://eattheblocks.com/learn-ethereum-dapps-ebook-updated-refactor-dapp-with-react/https://eattheblocks.com/learn-ethereum-dapps-ebook-updated-refactor-dapp-with-react/Tutorial For Ethereum Dapp + React. Included in Latest Update Of The "Learn Ethereum Dapp"Ebook. (84 pages, pdf, epub, mobi).Sun, 09 Dec 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-18-new-screencast-for-ethereum-dapps-smart-contracts-htlc-contract-standard/https://eattheblocks.com/eattheblocks-newsletter-18-new-screencast-for-ethereum-dapps-smart-contracts-htlc-contract-standard/Launch of EatTheBlocks Pro - I am very excited to announce the launch of my paid screencast! Members will enjoy a new exclusive video tutorial once a wTue, 04 Dec 2018 12:00:00 GMThttps://eattheblocks.com/erc721x-tutorial-library-to-consume-smart-contract-events-with-rabbitmq-eattheblocks-newsletter-17/https://eattheblocks.com/erc721x-tutorial-library-to-consume-smart-contract-events-with-rabbitmq-eattheblocks-newsletter-17/ToDo List Dapp tutorial series is complete! - I have just released the video for step9, the series is now complete! Buy the ebook to continue the serieMon, 26 Nov 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step9/https://eattheblocks.com/todo-list-ethereum-dapp-step9/This tutorial is part of the series ToDo List Ethereum Dapp . This is the Step 9 . Tutorials already published: Intro Step 1: Writing The ToDo Smart coThu, 22 Nov 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-16-unity-c-game-dapp-tutorial-drizzle-dapps-tutorial/https://eattheblocks.com/eattheblocks-newsletter-16-unity-c-game-dapp-tutorial-drizzle-dapps-tutorial/Top 12 Interview questions for Blockchain developers - Merkle Trees, Proof-Of-Work and more explained visually so that you can rock your next job interMon, 19 Nov 2018 12:00:00 GMThttps://eattheblocks.com/top-12-interview-questions-for-blockchain-developers/https://eattheblocks.com/top-12-interview-questions-for-blockchain-developers/Are you a Blockchain developer looking for a job at a Blockchain company? If that's the case, you should probably prepare for technical interviews. In this…Wed, 14 Nov 2018 12:00:00 GMThttps://eattheblocks.com/1102-deploy-a-dapp-to-loom-plasmachain-tutorial-using-loom-sdk-truffle-dappchain-example/https://eattheblocks.com/1102-deploy-a-dapp-to-loom-plasmachain-tutorial-using-loom-sdk-truffle-dappchain-example/Video tutorial: Deploy a Dapp to Loom PlasmaChain With Loom SDK & Truffle. Blockchain development tutorials from EatTheBlocks.Tue, 13 Nov 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-15-new-video-course-to-build-a-dex-metamask-privacy-mode/https://eattheblocks.com/eattheblocks-newsletter-15-new-video-course-to-build-a-dex-metamask-privacy-mode/Manning Ethereum Dapps In Motion - I am very excited to have released my video course in partnership with Manning! I teach Ethereum, Dapps & smart contMon, 12 Nov 2018 12:00:00 GMThttps://eattheblocks.com/annoucements-made-during-devcon4/https://eattheblocks.com/annoucements-made-during-devcon4/Devcon4 just finished about a week ago in Prague. The 3-day event attracted thousands of guests this year and the rooms were more packed than ever. As the…Fri, 09 Nov 2018 12:00:00 GMThttps://eattheblocks.com/learn-to-build-a-dex-on-ethereum-with-my-video-course-on-manning/https://eattheblocks.com/learn-to-build-a-dex-on-ethereum-with-my-video-course-on-manning/I have just released "Ethereum Dapps In Motion", my premium video course for Ethereum Dapp Developers, in partnership with Manning:Fri, 09 Nov 2018 12:00:00 GMThttps://eattheblocks.com/the-ultimate-resource-list-to-learn-ethereum-dapps-solidity-smart-contracts/https://eattheblocks.com/the-ultimate-resource-list-to-learn-ethereum-dapps-solidity-smart-contracts/LAST UPDATED IN MARCH 2019 When I first started to learn Ethereum a few years ago, there were almost no learning resources. Nowadays, even though there are…Thu, 08 Nov 2018 12:00:00 GMThttps://eattheblocks.com/updates-added-to-learn-ethereum-dapps-ebook-v1-1-0/https://eattheblocks.com/updates-added-to-learn-ethereum-dapps-ebook-v1-1-0/Last week I released my ebook Learn Ethereum Dapps , where I teach how to build a ToDo list Dapp on Ethereum. Just after having releasing it I was surprised…Mon, 05 Nov 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-14-zksnarks-zokrates-tutorial-learn-vyper/https://eattheblocks.com/eattheblocks-newsletter-14-zksnarks-zokrates-tutorial-learn-vyper/This week: Update to Learn Ethereum Dapps ebook - new chapter added on how to keep a Dapp UI synced with smart contract data + correction of typos / erMon, 05 Nov 2018 12:00:00 GMThttps://eattheblocks.com/how-to-become-a-blockchain-developer-step-by-step-plan/https://eattheblocks.com/how-to-become-a-blockchain-developer-step-by-step-plan/10 steps to become a blockchain developer. Everything you need to know, packed with unique insights, written by a blockchain developer.Thu, 01 Nov 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-13-new-ebook-to-learn-ethereum-dapps-review-of-best-youtube-channels-for-ethereum-devs/https://eattheblocks.com/eattheblocks-newsletter-13-new-ebook-to-learn-ethereum-dapps-review-of-best-youtube-channels-for-ethereum-devs/This week links: New eBook "Learn Ethereum Dapps" - I turned my series on building a todo list Dapp into a 62 pages ebook. Nicely formatted, and availaMon, 29 Oct 2018 12:00:00 GMThttps://eattheblocks.com/new-features-in-solidity-5-0/https://eattheblocks.com/new-features-in-solidity-5-0/The upcoming Solidity 5.0 version is coming with a couple of breaking changes, and you should make sure to learn about them. The full list of changes is quite…Thu, 25 Oct 2018 12:00:00 GMThttps://eattheblocks.com/best-youtube-channels-to-learn-ethereum-dapp-development/https://eattheblocks.com/best-youtube-channels-to-learn-ethereum-dapp-development/If you are learning how to build Dapps, you might have noticed that it's difficult to find good and up-to-date tutorials. I spent a lot of time reviewiTue, 23 Oct 2018 12:00:00 GMThttps://eattheblocks.com/new-ebook-to-learn-how-to-build-ethereum-dapps/https://eattheblocks.com/new-ebook-to-learn-how-to-build-ethereum-dapps/I have just turned the tutorial series on how to build a todo list Dapp into an 62 pages ebook . In this ebook I give you step-by-step instructions to build a…Tue, 23 Oct 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-12-mastering-ethereum-from-andreas-antonopoulos-constantinople-fork-delayed/https://eattheblocks.com/eattheblocks-newsletter-12-mastering-ethereum-from-andreas-antonopoulos-constantinople-fork-delayed/This week links: Best Way to Learn Solidity for Beginners - Review of learning resources. Covers beginner to advanced topics Mastering Ethereum availabMon, 22 Oct 2018 12:00:00 GMThttps://eattheblocks.com/best-way-to-learn-solidity-for-beginners/https://eattheblocks.com/best-way-to-learn-solidity-for-beginners/If you want to code Ethereum Dapps, you will need to learn Solidity, the programming language for smart contracts. Although Solidity looks simple its not and…Wed, 17 Oct 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-11-lightweight-alternative-to-truffle-deploy-ethereum-on-kubernetes/https://eattheblocks.com/eattheblocks-newsletter-11-lightweight-alternative-to-truffle-deploy-ethereum-on-kubernetes/This week: Top 2 Ethereum standard every Dapp developer should know - The 2 most important token standards explained simply for Dapp developers ParasolSun, 14 Oct 2018 12:00:00 GMThttps://eattheblocks.com/top-2-ethereum-token-standards-every-dapp-developer-should-now/https://eattheblocks.com/top-2-ethereum-token-standards-every-dapp-developer-should-now/If you are a developer building an Ethereum Dapp or an ICO, you probably heard of Ethereum token standards. ERC20, ERC721 etc... New token standards are…Fri, 12 Oct 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-10-cryptozombies2-awesome-list-for-ethereum-security/https://eattheblocks.com/eattheblocks-newsletter-10-cryptozombies2-awesome-list-for-ethereum-security/This week links: CryptoZombies 2 is Coming - CrypoZombies is a famous tutorial for Solidity / Dapp development Awesome Ethereum Security - Curated list of…Mon, 08 Oct 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step8/https://eattheblocks.com/todo-list-ethereum-dapp-step8/This tutorial is part of the series ToDo List Ethereum Dapp . This is the Step 8 . Tutorials already published: Intro Step 1: Writing The ToDo Smart coSat, 29 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-9-opera-browser-launched-ethereum-support-metamask-support-ledger/https://eattheblocks.com/eattheblocks-newsletter-9-opera-browser-launched-ethereum-support-metamask-support-ledger/This week links: ToDo List Ethereum Dapp Tutorial - Create Contract Data (Step8) Full-stack Ecommerce Dapp - Good example of eCommerce Dapp with TrufflSat, 29 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-8-designing-an-economy-for-your-dapp-vyper-integration-with-truffle-drizzle-tutorial/https://eattheblocks.com/eattheblocks-newsletter-8-designing-an-economy-for-your-dapp-vyper-integration-with-truffle-drizzle-tutorial/What kind of Dapps do you want to build / learn? You can answer to julien@eattheblocks.com or fill this short survey Fill survey HERE This week links: ToDo…Sun, 23 Sep 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step7/https://eattheblocks.com/todo-list-ethereum-dapp-step7/This tutorial is part of the series ToDo List Ethereum Dapp . This is the Step 7 . Tutorials already published: Intro Step 1: Writing The ToDo Smart…Fri, 21 Sep 2018 12:00:00 GMThttps://eattheblocks.com/ethereum-technical-writer-developer-needed/https://eattheblocks.com/ethereum-technical-writer-developer-needed/Hi, I am looking for an Ethereum developer to be a technical writer on this website. The job is to create (simple) Ethereum Dapps, and write tutorials for how…Tue, 18 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-7-dapps-tutorials-vyper-with-truffle-trufflecon-ticket-on-sales/https://eattheblocks.com/eattheblocks-newsletter-7-dapps-tutorials-vyper-with-truffle-trufflecon-ticket-on-sales/Survey I am doing a quick survey to better understand what kind of Dapp tutorials you are interested in. It just takes 30s :) Fill survey HERE This weeSun, 16 Sep 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step6/https://eattheblocks.com/todo-list-ethereum-dapp-step6/This tutorial is part of the series ToDo List Ethereum Dapp . This is the Step 6 . Tutorials already published: Intro Step 1: Writing The ToDo Smart…Wed, 12 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-6-dapps-on-ios-composable-nfts-free-ethereum-course/https://eattheblocks.com/eattheblocks-newsletter-6-dapps-on-ios-composable-nfts-free-ethereum-course/This week links: Gas Optimization Tips - Make your smart contract more efficient Common Attack in Solidity - good security tips Dos Vulnerabilities inMon, 10 Sep 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step5/https://eattheblocks.com/todo-list-ethereum-dapp-step5/This tutorial is part of the series ToDo List Ethereum Dapp . It is the Step 5. Tutorials already published: Intro Step 1: Writing The ToDo Smart contracts…Mon, 03 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-5-todo-dapp-tutorial-ethereum-difficulty-bomb-react-drizzle-tutorial/https://eattheblocks.com/eattheblocks-newsletter-5-todo-dapp-tutorial-ethereum-difficulty-bomb-react-drizzle-tutorial/This newsletter is provided by EatTheBlocks, a youtube channel for Ethereum Dapp developers. Subscribe to the channel and never miss an episode!Mon, 03 Sep 2018 12:00:00 GMThttps://eattheblocks.com/eattheblocks-newsletter-4-nothing-at-stake-new-release-of-truffle-and-solidity-and-more/https://eattheblocks.com/eattheblocks-newsletter-4-nothing-at-stake-new-release-of-truffle-and-solidity-and-more/This week links: 🎉🎉🎉 (POS) Nothing-At-Stake Visually Explained 🎉🎉🎉 Truffle v5.0.0 Beta New Features of Solidity 0.5.0 T ruffle University - New official…Mon, 27 Aug 2018 12:00:00 GMThttps://eattheblocks.com/eat-the-blocks-newsletter-3-tutorials-tips-tricks-on-ethereum-dapp-development/https://eattheblocks.com/eat-the-blocks-newsletter-3-tutorials-tips-tricks-on-ethereum-dapp-development/This is Julien from Eat The Blocks and this is the third newsletter. This newsletter is provided by EatTheBlocks, a youtube channel for Ethereum developers…Mon, 20 Aug 2018 12:00:00 GMThttps://eattheblocks.com/eat-the-blocks-newsletter-2-tutorials-tips-tricks-on-ethereum-dapp-development/https://eattheblocks.com/eat-the-blocks-newsletter-2-tutorials-tips-tricks-on-ethereum-dapp-development/This is Julien from Eat The Blocks and this is the second newsletter. This week big news is the Metamask update that will no longer be injecting web3 in…Mon, 13 Aug 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step4/https://eattheblocks.com/todo-list-ethereum-dapp-step4/This tutorial is part of the series ToDo List Ethereum Dapp . It is the Step 4. Tutorials already published: Intro Step 1: WritinSun, 12 Aug 2018 12:00:00 GMThttps://eattheblocks.com/eat-the-blocks-newsletter-1-tutorials-tipcs-tricks-about-ethereum-dapp-development/https://eattheblocks.com/eat-the-blocks-newsletter-1-tutorials-tipcs-tricks-about-ethereum-dapp-development/This is Julien from Eat The Blocks and I am very excited to start this newsletter! This newsletter is for Ethereum dapps developers. I will provide links to…Mon, 06 Aug 2018 12:00:00 GMThttps://eattheblocks.com/how-to-use-ganache-gui-with-truffle-episode-14/https://eattheblocks.com/how-to-use-ganache-gui-with-truffle-episode-14/Ganache CLI is an Ethereum client used for developing smart contracts and dapps. It is a command-line tool but it also comes with aTue, 19 Jun 2018 12:00:00 GMThttps://eattheblocks.com/installing-the-the-ganache-gui-episode-13/https://eattheblocks.com/installing-the-the-ganache-gui-episode-13/What is Ganache? Ganache is a tool for ethereum dapp developers, supported by the Truffle team. It has 2 components: The Ganache CLI The Ganache GUI GaSun, 25 Mar 2018 12:00:00 GMThttps://eattheblocks.com/scaffold-your-dapp-with-truffle-unbox-episode-12/https://eattheblocks.com/scaffold-your-dapp-with-truffle-unbox-episode-12/Video tutorial: Scaffold Your Dapp With Truffle Unbox | Episode 12. Blockchain development tutorials from EatTheBlocks.Mon, 19 Feb 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step3-special-episode-1/https://eattheblocks.com/todo-list-ethereum-dapp-step3-special-episode-1/ToDo List Ethereum Dapp (Step3) | Writing The Nodejs Backend. This tutorial is part of the series ToDo List Ethereum Dapp . It is the Step 1. Tutorials…Mon, 19 Feb 2018 12:00:00 GMThttps://eattheblocks.com/the-file-explorer-of-the-remix-ide-episode-11/https://eattheblocks.com/the-file-explorer-of-the-remix-ide-episode-11/Video tutorial: The File Explorer Of The Remix IDE | Episode 11. Blockchain development tutorials from EatTheBlocks.Mon, 12 Feb 2018 12:00:00 GMThttps://eattheblocks.com/intro-to-remix-the-solidity-ide-episode-10/https://eattheblocks.com/intro-to-remix-the-solidity-ide-episode-10/Video tutorial: Intro To Remix, The Solidity IDE | Episode 10. Blockchain development tutorials from EatTheBlocks.Tue, 23 Jan 2018 12:00:00 GMThttps://eattheblocks.com/lets-build-a-decentralized-exchange-for-erc20-tokens/https://eattheblocks.com/lets-build-a-decentralized-exchange-for-erc20-tokens/UpcomingSat, 20 Jan 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step2-special-episode-1/https://eattheblocks.com/todo-list-ethereum-dapp-step2-special-episode-1/This tutorial is part of the series ToDo List Ethereum Dapp . It is the Step 2. Tutorials already published: Intro Step 1: Writing The ToDo Smart contracts…Mon, 15 Jan 2018 12:00:00 GMThttps://eattheblocks.com/instantiate-an-inherited-solidity-contract-episode-9/https://eattheblocks.com/instantiate-an-inherited-solidity-contract-episode-9/Video tutorial: Instantiate An Inherited Solidity Contract | Episode 9. Blockchain development tutorials from EatTheBlocks.Sun, 14 Jan 2018 12:00:00 GMThttps://eattheblocks.com/todo-list-ethereum-dapp-step1-special-episode-1/https://eattheblocks.com/todo-list-ethereum-dapp-step1-special-episode-1/ToDo List Ethereum Dapp (Step 1): Smart Contract Part I. This tutorial is part of the series ToDo List Ethereum Dapp . It is the Step 1. Tutorials already…Mon, 08 Jan 2018 12:00:00 GMThttps://eattheblocks.com/polymorphism-in-solidity-solution-to-last-episode-challenge-episode-8/https://eattheblocks.com/polymorphism-in-solidity-solution-to-last-episode-challenge-episode-8/Video tutorial: Polymorphism in Solidity + Challenge Solution | Episode 8. Blockchain development tutorials from EatTheBlocks.Mon, 08 Jan 2018 12:00:00 GMThttps://eattheblocks.com/multiple-inheritance-in-solidity-episode-7/https://eattheblocks.com/multiple-inheritance-in-solidity-episode-7/Video tutorial: Multiple Inheritance In Solidity | Episode 7. Blockchain development tutorials from EatTheBlocks.Mon, 01 Jan 2018 12:00:00 GMThttps://eattheblocks.com/etb-ethereum-todo-list-app-special-episode-1/https://eattheblocks.com/etb-ethereum-todo-list-app-special-episode-1/Last updated: November 2018. This tutorial series will teach you how to build a ToDo List Dapp on Ethereum . It is regularly UPDATED with the latest…Mon, 01 Jan 2018 12:00:00 GMThttps://eattheblocks.com/contract-inheritance-in-solidity-episode6/https://eattheblocks.com/contract-inheritance-in-solidity-episode6/In object-orientated programming languages, we have classes and inheritance. In Solidity, we don't have classes but we have contracts. Contracts can inMon, 25 Dec 2017 12:00:00 GMThttps://eattheblocks.com/introduction-to-truffle-episode-5/https://eattheblocks.com/introduction-to-truffle-episode-5/Developing smart contracts and distributed applications is hard. There are a lot of different libraries to use, you often need to do all the plumbing bSat, 16 Dec 2017 12:00:00 GMThttps://eattheblocks.com/calling-a-smart-contract-method-from-web3-1-0-episode-4/https://eattheblocks.com/calling-a-smart-contract-method-from-web3-1-0-episode-4/Video tutorial: Calling A Smart Contract Method From Web3 (1.0) | Episode 4. Blockchain development tutorials from EatTheBlocks.Mon, 13 Nov 2017 12:00:00 GMThttps://eattheblocks.com/deploy-a-smart-contract-with-web3-1-0-episode-3/https://eattheblocks.com/deploy-a-smart-contract-with-web3-1-0-episode-3/Video tutorial: Deploy A Smart Contract With Web3 (1.0) | Episode 3. Blockchain development tutorials from EatTheBlocks.Wed, 08 Nov 2017 12:00:00 GMThttps://eattheblocks.com/hello-world-smart-contract-with-solidity-episode-2/https://eattheblocks.com/hello-world-smart-contract-with-solidity-episode-2/Video tutorial: Hello World Smart Contract With Solidity | Episode 2. Blockchain development tutorials from EatTheBlocks.Fri, 03 Nov 2017 12:00:00 GMThttps://eattheblocks.com/setting-up-your-development-environment-for-ethereum-smart-contracts-episode-1/https://eattheblocks.com/setting-up-your-development-environment-for-ethereum-smart-contracts-episode-1/Video tutorial: Ethereum Smart Contract Development Setup | Episode 1. Blockchain development tutorials from EatTheBlocks.Thu, 02 Nov 2017 12:00:00 GMThttps://eattheblocks.com/genesis-post-episode1/https://eattheblocks.com/genesis-post-episode1/Hi and welcome to Eat The Blocks! My name is Julien Klepatch. I am a blockchain developer, and I run this website, eattheblocks.com . In 2011, one of mMon, 30 Oct 2017 12:00:00 GMT