Ethereum Name Service (ENS) is a Governance crypto token. Ethereum Name Service was founded on 2021-11-09 on the ETHEREUM ecosystem. More information can be found at https://ens.domains/.
Key Technical Advantages:
Registry and Resolvers: ENS has two principal components - the registry and resolvers. The registry is a smart contract that maintains a list of all domains and subdomains and stores their owner, resolver, and caching time-to-live. Resolvers, on the other hand, are responsible for translating names into addresses, implementing relevant standards.
Namehash: ENS works with fixed-length 256-bit cryptographic hashes, called namehashes, to make the system more efficient. Namehash is a recursive process that generates a unique hash for any valid domain name while preserving its hierarchal properties.
UTS-46 Normalization: Before being hashed with namehash, names are first normalized using the UTS-46 normalization process. This ensures that upper and lower-case names are treated equivalently, and invalid characters are prohibited.
Extensibility: ENS is designed to be extensible, supporting new record types through the EIP standardization process. This means new record types can be added without making changes to the existing ENS registry or resolvers.
Integration: ENS provides documentation for various audiences, including dapp developers and contract developers. They can use the available ENS libraries to integrate ENS support into their applications, interact with ENS from their contract code, or create custom resolvers and registrars.
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