A collection of solidity gas optimization examples to see what works and what doesn't with optimizer enabled and disabled. When a storage slot doesn't change it is cheaper to cache the value once then ...

Abstract: The reentrancy vulnerability is one of the most notorious vulnerabilities of smart contracts. It enables attackers to hijack the control flow of a smart contract by invoking a function as ...

Gary Neville has urged Chelsea to sign three ‘top-class’ players after a frustrating Premier League defeat to Arsenal.