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@ajna-inc/kanon-sdk

v0.1.6

Published

TypeScript SDK for the Kanon AnonCreds VDR on any EVM chain. Mode A (status registry) + Mode B (Groth16 ZK).

Downloads

130

Vulnerabilities

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  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

vinaysingh8866vinaysingh8866

Keywords

kanonanoncredscredossididvcevmbesuzero-knowledgegroth16

Readme

@ajna-inc/kanon-sdk

TypeScript SDK for the Kanon AnonCreds VDR — a W3C-compliant decentralised identity protocol that runs on any EVM-compatible chain.

If you're building a Credo agent, install @ajna-inc/kanon instead — it depends on this SDK and wires it into Credo for you. The SDK alone is for back-end issuer services, custom verifiers, or low-level contract interactions.

npm install @ajna-inc/kanon-sdk ethers

ethers v6 is a peer dependency. snarkjs and circomlibjs are optional — only required if you use the Mode B (Kanon ZK) prover.

What's in the box

| Subpath | Purpose | |---|---| | @ajna-inc/kanon-sdk | Convenience top-level re-exports (KanonClient, IssuerService, VerifierService, HolderWallet, kanonCredIdHash) | | kanon/core | Types, deployment loader, contract handles, Merkle tree, tier constants | | kanon/issuer | EdDSA-BabyJubjub keys, IssuerService (mint, revoke, batchUpdate) | | kanon/holder | HolderWallet + IHolderStorage + InMemoryHolderStorage | | kanon/verifier | VerifierService (Tier-1 + Tier-2 verification helpers) | | kanon/orchestrator | KanonClient — high-level facade across the seven registries | | kanon/anoncreds | kanonCredIdHash, KANON_CRED_ID_ATTRIBUTE — minimal helpers consumed by the Credo plugin | | kanon/zk | Mode B Groth16 prover — needs snarkjs + circomlibjs |

Mode A vs Mode B

  • Mode A (default). Use the anoncreds subpath plus core ABIs. No SNARK math required. This is what @ajna-inc/kanon (Credo plugin) uses to add on-chain revocation status to standard AnonCreds.
  • Mode B (optional). Use the zk subpath. Generates Groth16 proofs against the Poseidon Merkle tree for unlinkable presentations.

Publish

npm run build     # tsup → dist/{index,core/...,zk/...}.{js,cjs,d.ts}
npm publish --access public

See the Kanon site docs for end-to-end usage with @ajna-inc/kanon.