Learn how Ethereum function selectors help smart contracts identify transaction requests and execute the right functions.

When you swap one token for another on a decentralized exchange, no human approves the trade. No bank holds your funds in between. The whole transaction happens inside a smart contract: code that ...

IntroductionWhen researching Ethereum, you often come across the term "smart contract."However,"What is a smart contract?""How is it related to Ethereum?""Is it also related to NFTs and DeFi?"Many ...

Smart contracts power almost everything in crypto beyond just holding coins. DeFi, staking, even trading, is all made possible on blockchains without lawyers or paperwork, just self-executing code.

As smart contracts are increasingly used to secure digital assets, developers face an array of security threats. Recent high-profile attacks -- including Penpie's $27 million loss and Cetus' $223 ...

Explore the world of smart contracts on Bitcoin. Learn how sidechains, layer-2 protocols like Lightning Network, and Ordinals are expanding Bitcoin's capabilities.