Definition
Ethereum Name Service. A decentralized naming protocol built on Ethereum that lets users register human-readable names like 'alice.eth' instead of long wallet addresses.
Why It Matters
ENS makes sending crypto easier and safer by replacing unmemorable hex addresses with readable names. It reduces copy-paste errors and is a foundational piece of Web3 identity.
Example
Instead of sending ETH to '0x71C7656EC7ab88b098defB751B7401B5f6d8976F', you can send it to 'jason.eth' — if that name is registered.
Related Terms
Ethereum
Web3
Address
NFT