We need a standard for representing identity on decentralized systems to use our decentralized identity across several applications. 

Decentralized Identifiers or DIDs allow users and applications to represent and use identity related information in a reusable and app or platform agnostic manner.

DIDs are described in a DID document. So, the main identifier is the DID, and the associated metadata is stored in the DID document.

Music: https://www.purple-planet.com

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