@bsv/did

npm install @bsv/did

import { PrivateKey } from '@bsv/sdk'
import { BsvDid, SdJwtVcIssuer, SdJwtVcHolder, SdJwtVcPresenter, SdJwtVcVerifier } from '@bsv/did'

const issuerPrivateKey = PrivateKey.fromRandom()
const holderPrivateKey = PrivateKey.fromRandom()
const issuer = BsvDid.fromPublicKey(issuerPrivateKey.toPublicKey().toDER() as number[])

const vc = await SdJwtVcIssuer.create({
  issuer,
  issuerPrivateKey,
  holderPublicKey: holderPrivateKey.toPublicKey(),
  vct: 'https://credentials.example.com/identity_credential',
  claims: {
    given_name: 'Alice',
    email: 'alice@example.com',
    is_over_21: true
  },
  disclosureFrame: {
    given_name: true,
    email: true,
    is_over_21: true
  }
})

const presentation = await SdJwtVcHolder.generatePresentation(vc, ['is_over_21'], {
  holderPrivateKey,
  audience: 'https://verifier.example',
  nonce: 'nonce-123'
})

const result = await SdJwtVcVerifier.verify(SdJwtVcPresenter.present(presentation), {
  expectedAudience: 'https://verifier.example',
  expectedNonce: 'nonce-123',
  requireKeyBinding: true
})