Web3 refers to the third generation of the internet, which is focused on decentralized applications and blockchain technology. It allows for the creation of decentralized applications (dApps) that can interact with smart contracts on a blockchain network. These apps are built on top of platforms such as Ethereum, and use specialized protocols like IPFS (InterPlanetary File System) for data storage and sharing.

Web3 aims to create a more open and transparent internet, where users are in control of their data and online interactions. It also provides new opportunities for developers to build innovative applications that do not rely on centralized intermediaries.

Some examples of Web3 applications include decentralized finance (DeFi) platforms, non-fungible tokens (NFTs), and blockchain-based marketplaces. As the Web3 ecosystem continues to grow, it is expected to revolutionize the way we interact with the internet and digital assets.