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Multikey Support for Decentralized Identifiers (DIDs)
Dock DIDs can support multiple keys that can be used for different purposes.
For example, an issuer could use different keys for each of these functions:
- Issuance of credentials
- Authenticating with some other application
- Engaging in secure communication
- Revoking an issued credential
A DID can have multiple keys that have different capabilities called Verification relationships in the W3C DID spec. A key can have one or more Verification relationships to the DID depending on the kind of functions it's supposed to perform on the DID's behalf.
We support 4 verification relationships:
- 1.Authentication: Keys with this relationship can only be used for authentication such as convincing a party that it’s a key of the DID.
- 2.Assertion: Used for signing credentials during issuance.
- 3.Key agreement: Used during secure communication to encrypt some data for the DID.
Key DID features
- DIDs can be controlled by other DIDs
- DIDs can have service endpoints
- Supports off-chain DID Documents