Uint256 max value The uint256 max value can be obtained with which is or 2²⁵⁶-1. But it's cleaner and safer to use . The same can be used for signed integer types The math behind maximum values in...

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...

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...

Solidity Coding Standards The purpose of this article is not to rehash the official Solidity Style Guide, which you should read. Rather, it is to document the common deviations from the style guide...

Solidity RSA signatures for airdrops and presales: Beating ECDSA and Merkle Trees in Gas Efficiency Updated: Aug 4, 2023 By Suthan Somadeva and Michael Burke ECDSA Vs RSA Introduction Creating a...

The Solidity Engineer Salary is a Myth !Stack of gold bars owned by a blockchain engineer Is gold in your future if you study blockchain? There is no shortcut to a high solidity developer salary This...

Where to find solidity reentrancy attacks Reentrancy can only happen when your smart contract calls another smart contract via function call or sending ether. If you do not call another contract or...

Generate a random number with Solidity on the blockchain !Random Number Solidity Random Number Randomness is tricky on the blockchain because the blockchain is deterministic, but randomness requires...

LeetCode problems and questions - the best 50 Whether web2 or web3, doing well on data structure, algorithm, and LeetCode questions is important, not only for getting a job but developing a good...

Solidity vs Rust A common misconception is that learning blockchain is about learning a new programming language. It isn't. Learning blockchain is far more akin to learning a framework than a...