https://youtu.be/-5j6Ho0Bkfk ERC20 tokens allow you to create your own coin inside Ethereum.  They are used in many projects to represent financial assets, in-game assets, collectible, and other kind of assets. At some point in your project, you will probably need to interact with them. And most often, you will need to…

https://youtu.be/_Nvl-gz-tRs Sending Ether between smart contracts is very important. After all, it's because smart contracts can do financial transactions that they are so powerful. But surprisingly there are a few caveats when you want to send ether from a smart contract: Transfer units are in wei (10^-18 ether), not ether…

https://youtu.be/MPBOnChpi0c Solidity arrays... are like Javascript arrays, right? Nope.. In Solidity: Arrays can only contain data of the same type (ex: arrays of integers, array of booleans, but not arrays of integers AND booleans..) Arrays can be in storage, or in memory (persistent and non-persistent) You can use the `push()`…

When you develop an Ethereum Dapp, once you have the frontend and the smart contract, you need to connect them together. This is not easy. Fortunately, Web3 is here to save you! Wait... not so fast... Actually, it's not that easy to learn how to use Web3: Many Web3 tutorials…

Here is the scene: You are about to use your Ethereum address to do some trading, or to send some Ether to someone. You connect to your wallet and check your balance... It's empty!! What?! You were supposed to have 100 Ether in it.. what happened? Have you been hacked?…

The lonely developer syndrom... Let's say you have been working on a Dapp / smart contract idea. You know what you want to achieve at a high-level, but you don't know how to turn your vision into a technical architecture. Or, you have coded something already, but you are a bit…

Finally! Smart contract 30 is finished! I have just published the last video of smart contract 30 on Solidity assembly. In total this course has 56 videos and is 13.6 hours long. It took me almost 6 month of efforts to do all the research, coding and recording. I gave…

In the world of crypto, everything is possible: getting paid way more than in other industries... or getting scammed way more than in other industries. In this article, I will explain you how to evaluate properly your crypto / token bonus so that you end up in the first category.…

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 Vue. With this plugin, you can very easily integrate Drizzle to your Vue Dapps. I have already created 2 videos…

Have you heard of GraphQL? That's an alternative to REST apis that was created by Facebook. With GraphQL, clients specify the shape of the data they want, and backends figure out how to provide the desired data. No need to juggle with countless REST endpoints. GraphQL is becoming super popular…