EIP-150 and the 63/64 Rule for Gas Introduction EIP-150, or Ethereum Improvement Proposal 150, is a protocol upgrade for the Ethereum blockchain. It was proposed on March 18, 2016, and implemented on...

ERC20 Votes: ERC5805 and ERC6372 !ERC20 Votes ERC20 Votes Knowledge of ERC20 Snapshot is assumed, please refer to our article on ERC20 Snapshot for an introduction to the subject. ERC20 Votes does...

Solidity Events Solidity events are the closest thing to a or statement in Ethereum. We will explain how they work, best practices for events, and go into a lot of technical details often omitted in...

Governance Contract in Solidity The pattern of governance many DeFi applications follows is heavily inspired by Compound Finance’s implementation. Although, there isn’t an Ethereum Improvement...

EIP-3448 MetaProxy Standard: Minimal Proxy with support for immutable metadata The minimal proxy standard allows us to parameterize the creation of the clone, but this requires an extra...

EIP-2930 - Ethereum access list Introduction An Ethereum access list transaction enables saving gas on cross-contract calls by declaring in advance which contract and storage slots will be accessed....

Solidity test internal function To test an internal Solidity function, create a child contract that inherits from the contract being tested, wrap the parent contract’s internal function with an...

Convert gas to USD (Ethereum) Understanding gas cost can be tricky because there are three components at play: the gas price, the price of ether, and the units of gas. The "gas price" that you might...

ZK-addition-dapp with Noir and Nextjs !ZK Dapp Game built with Noir and Next.js We will demonstrate a step-by-step exploration of a basic zk-dapp designed for verifying additions. This application...

Foundry Unit Tests This article will describe how to create unit tests in Solidity using Foundry. We will cover how to test all the state transitions that can occur in a smart contract, plus some...