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Truvera Credential SDK

The Truvera Credential SDK is an opensource library that powers Truvera SaaS API. It provides the credential management, cryptography, and blockchain storage features for Truvera's supported credential variants:

  • W3C VC JSON-LD ed25519 credential using StatusList 2021 for revocation targetted at interoperability

  • W3C VC JSON-LD BBS credential using accumulators for revocation targetted at privacy

  • W3C VC JSON-LD KVAC credential using accumulators for revocation allowing monetization of credentials

Most of the SDK is written in JavaScript / TypeScript with safety-critical code written in Rust. The SDK depends on the Arkworks math libraryarrow-up-right.

Some useful references:

  1. DID conceptsarrow-up-right and the corresponding SDK APIarrow-up-right.

  2. DID resolverarrow-up-right

  3. Verifiable credentialsarrow-up-right and its APIarrow-up-right

  4. Schemaarrow-up-right and its APIarrow-up-right

  5. Credential revocationarrow-up-right

  6. Claim Deductionarrow-up-right and its APIarrow-up-right

  7. PoE anchoringarrow-up-right and its APIarrow-up-right

  8. Complete examplesarrow-up-right in SDK for various features

  9. Another useful place is the SDK testsarrow-up-right

  10. API referencearrow-up-right

  11. To see how to do basic operations like generate addresses, validate addresses, check balance, do token transfer, get block by hash or number, etc, see this example scriptarrow-up-right. The script uses functions defined herearrow-up-right.

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