Self-sovereign identity is user- and device-centric where an individual or organization or device is able to own its own identity attributes without relying on third-party service providers. Decentralized Identifiers (DIDs) are a new type of identifier for verifiable 'self-sovereign' digital identity for individuals, organizations and things. DIDs have the following important properties:

  • Decentralized: DIDs are designed to function without a central registration authority. DIDs are registered in blockchain or other decentralized network.

  • Cryptographically Verifiable: DIDs are designed to be associated with cryptographic keys and the entities controlling the DID can use those keys to prove ownership.

  • Non-Reassignable: DIDs should be permanent, persistent, and non-reassignable.

  • Resolvable: DIDs are made useful through resolution.

IoTeX DID has been integrated into uniresolver.io, which is the industrial de-facto that resolves DIDs to the corresponding document

Next sections provide the specification of how DID works within the IoTeX Network.

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