A short form of “Ethereum Name Service.” ENS is the blockchain naming standard for the Ethereum network. It helps shorten wallets and dApps names, transforming them from machine-only-readable formats to what humans can understand. You can view ENS as the blockchain domain name provider. However, it also supports other DNS (domain name services).
Layer 2
A secondary technology built on top of an existing blockchain. The purpose of layer 2 is to scale the blockchain with more solutions, improving its