
Sep 22, 2022

10
min read
Introduction to ENS
Ethereum Name Service (ENS) is a decentralized naming protocol that maps the human-readable addresses to the cryptographic addresses or Ethereum addresses in the Ethereum mainnet. It works similarly to DNS, where DNS maps the domain to the IP addresses but has a significantly different architecture due to the capabilities and constraints provided by the Ethereum blockchain. Just like DNS, ENS also uses dot-separated hierarchical domain names. The owner of a domain has complete control over its subdomains. So, if a user owns alice.eth, that user can also create pay.alice.eth or mail.alice.eth, and so on. ENS makes it easy for users to create these subdomains from the main domain.
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