Portable and interoperable data
The Verifiable Credentials Standard
A Verifiable Credential (VC) is a standard way to digitally express credentials (claims) in a tamper-proof, privacy-preserving, and machine-verifiable way.
The Verifiable Credentials Data Model 1.0 was published by the W3C in 2019.
The Decentralized Identifier (DID) Standard
According to the W3C, Decentralized Identifiers “are a new type of identifier that enables verifiable, decentralized digital identity.” DIDs are independent of any organization or identity provider. When you create a DID, it’s under your full control.
Each DID contains a cryptographic key pair. The Issuer’s Private Key signs the Verifiable Credential, while the Public Key is published on the blockchain. This way, a Verifier can look up the Issuer’s DID and associated Public Key on the blockchain when they want to verify the authenticity of a Verifiable Credential.
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