1/ What / Why Yul is what Solidity compiler transforms the abstract syntax tree into after it parses your Solidity code. Yul is used for intermediate optimizations before generating the bytecode and then performing more optimizations on the bytecode. …

Searching through crypto twitter or Google only yields results about how to use merkle trees for NFT mint whitelists or resources that simply explain the data structure. This article will hopefully fill in the missing piece: how do marketplaces like blur and seaport use merkle trees for trait offers? In…

Short and sweet tutorial on importing local packages Create a folder, now inside of it run go mod init mempool next mkdir -p maths/rands now touch maths/abs.go maths/rands/fermat.go run.go you should have this

Useful coding stuff for reference You have a gethbinary running on your DAppNode. How to use it? geth attach http://geth.dappnode:8545 2. You are in a JavaScript console, what’s the equivalent of Python’sdir ? Object.keys(this); 3. You are in a Javascript console, what’s the equivalent of Python’s print(func.__doc__) ? console.log(func); 4…

We recently hosted a white elephant game. Going over the code and explaining the important bits would be neat and help players get a behind the scenes look. Using truffle (I was a big fan) will waste a ton of your time when it comes to deploys. It works today…

How-to verify contracts created with a factory. I was on a dev call with Austin Thomas Griffith about a month ago. We talked about scaffold-eth and touched on verification of factory contracts. We thought it might be useful to write a post about this. This tutorial will talk about the…

Rent NFTs Today (on Goerli. Tomorrow on Mainnet) What is reNFT? reNFT — is a protocol layer that enables peer to peer renting of ERC-721 non-fungible tokens (NFTs). reNFT enables holders of NFT assets to put them to work by renting out gaming assets to use in blockchain gaming experiences…

This is how to get free $40000 So it is 2 am, and I need to go to bed. I see Paul Razvan Berg tweeting about a “hack”. So I open up the link and see a bunch of transactions originating from 0x0531242C5d7e00d23cfEbEE9ab0d13E700121547 to various addresses. The common theme…

Using Truffle to deploy and execute the flash loan — To learn something well it is advisable to apply the knowledge. “Active-learning” is the best way to learn, Vitalik mentions this too The easiest way for us to go about “playing” with the previous part is to use Truffle to deploy &…