ENS Labs Ltd | 1,145 followers on LinkedIn. Ethereum Name Service: Decentralised naming for wallets, websites, & more. | Ethereum Name Service - ENS is DNS for the web3 space. ENS domains are a superset of DNS, allowing attaching human-readable names to websites. However, the use cases are virtually limitless, such as simplifying sending cryptocurrency, storing an avatar and profile information (think gravatar) that web3 apps will pick up and use automatically.