Resolver

Resolver records the DID user personal information (eg: name, avatar, blockchain address). DID user can display the personal information by resolver contract. all of the information is optional.

Architecture

Core

The tokenId is used as the core to bind all information together. TokenId and DID are one-to-one mappings relationship in the DID contract. DID is essentially a non-transferable NFT. Setting DID resolver information is equivalent to setting additional metadata for NFTS.