โœ…Domain Management

And overview of (and deep dive into) all the operations that can be performed in ZNS

Ownership

Two components comprise domain ownership in ZNS: ownership of a domain's ERC-721 token (the Ethereum NFT standard) and ownership of a domain's record in the ZNSRegistry smart contract. The former confers 'true' domain ownership, while the latter can be delegated to another account -- called 'operators,' see below -- to perform domain management functions or interact with third parties while preserving the security and autonomy of the domain's token.

Reclamation

Token Transfers

Revocation

ZNS domain owners can forfeit ownership of their domain at any time by way of a process known as domain revocation. Revoking a domain burns its associated NFT and erases the owner's name from the domain's record in ZNSRegistry. As such, only users that own both a domain's token and its record can call revokeDomain. Revoked domains are available again for registration by anyone immediately after revocation. Existing subdomains under a revoked domain are fully emancipated and are unaffected by the revocation of their parent domain. New child subdomains cannot be minted under a revoked domain, however, until it has been reminted.

Revoking a domain registered via ZNS's stake-to-mint paradigm will refund that stake amount in full to the domain token's owner, exlcuding any associated protocol fees and transaction costs. Revoking a domain registered with a one-time, direct payment will not refund that payment. For more information on the revocation process, see Domain Revocation (Destruction).

Operators

Resolutions

The ability to resolve a domain to arbitrary data -- e.g., mapping a ZNS domain to an Ethereum account, or a Github account, or a smart contract address -- is one of the key functions of the ZNS protocol. This turns esoteric hex hashes (e.g., 0xABC123DEF...678Tuv9) into something human readable (e.g., 0://hello) and allows for rich identity management to take place on- and off-chain. At present, ZNS only allows for domains of any level to resolve to Ethereum addresses. In the future this functionality will be greatly expanded on. To learn more about domain content and resolution, see Domain Content and Resolutions and Resolution.

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