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284 articles on Ethereum, Solidity, and blockchain development.

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 environment, type: pytho…

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 near-limitless open system, giving…

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 network, creating the n…

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. It’s necessary to go b…

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 validator diversity in ETH2…

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 next big trend in cry…

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 in without a trusted ce…

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 open source and licensed…

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 released version 7, boas…

Intro to Binance Smart Chain

Introduction Binance Chain was launched by Binance in April 2019. Its primary focus is to facilitate fast, decentralized (or non-custodial ) trading. Perhaps unsurprisingly, the bi…

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 they became even more ex…

The 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 like a traditional compil…

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 blockchain’s plans for…

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 will be a lot of dyna…

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 it as accessible as po…

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 (decentralized applicat…

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 decentralization — cry…

How Fantom is Solving The Blockchain Trilema

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 transactions, with Fantom, y…

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 two are exactly alike…

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 create Ethereum-powered…

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 on our Youtube Channel Ethereum (L1/L2) Ether saw steady increase t…

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 can you become a smart c…

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 elements. The player takes th…

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. Most DeFi apps are built…

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 on our Youtube Channel Ethereum (L1/L2) Ether was quite volatile th…

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 physical item, and vario…

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 Milestone With 90% of To…

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 Solidity on Ethereum . htt…

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 the biggest ones like Et…

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 knowledge and stand o…

Polkadot: The Next Ethereum?

Currently, blockchains operate separately and in silos hence Interoperability and scalability are long-standing challenges in the blockchain industry. Right now, most public blockc…

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 application has its own Bloc…

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 advance. In 1945 Vanneva…

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 started as an alternative…

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 Gaming. Let's understan…

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 developers…

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 YouTube playlist all t…

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 is Moralis and how yo…