Teaching the next generation of smart contract developers and auditors. Learn from industry-leading experts how to build the next generation of web3 applications and level up your career.


Level up your web3 career through industry leading comprehensive courses

Cyfrin Updraft


Yul is an intermediate programming language that can be used to write a form of assembly language inside smart contracts. Although we often times see Yul used inside smart contracts, you can write a smart contract entirely in Yul. Understanding Yul can level up your smart contracts and allow you to understand what is going on under the hood in solidity, which in turn can help you save user’s gas costs. We can identify Yul in a smart contract with the following syntax.

Yul is an intermediate programming language that can be used to write a form of assembly language inside smart contracts

#yul

🎓 Cyfrin Updraft

Newsletter