Web3 is a term for internet applications that use wallets, tokens, smart contracts, and blockchain networks.
Neutral archive note: This glossary page is for educational purposes only. It does not endorse, verify, rank, promote, or recommend any specific token, wallet, chain, exchange, DEX, tool, protocol, project, or service.
Short definition
Web3 is web3 is a term for internet applications that use wallets, tokens, smart contracts, and blockchain networks.
Simple explanation
Web3 usually means users interact with apps through crypto wallets instead of only usernames and passwords. Ownership and activity can be represented on-chain.
Why it matters
Web3 explains why wallets, signatures, token approvals, and on-chain identity appear in many modern crypto applications.
Example context
A DEX, NFT marketplace, DAO voting page, or token claim page may be described as a Web3 application.