IntroductionThe usability of smart contracts continues to grow over time. Initially, smart contracts were designed to issue ownership of blockchain-based tokens. Today, developers have created hybrid smart contracts that use external data and off-chain computation within on-chain applications. Smart contracts has enabled new markets like DeFi, dynamic NFTs, and GameFi. Now, smart contract automation is becoming even more important. This article explores how smart contract automates Web3 payme...