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Case study 02 — Identity

Secure Digital Identity Infrastructure

One coherent verification state enforced identically at the API, the contract and the queue.

Sector
Digital-asset platform
Scope
Credentials, orchestration, policy
Standards
Verifiable Credentials, EIP-712
Contemporary workspace featuring computers, coding screens, and office essentials in a tech environment.

Verification orchestration — engineering workspace

Context

Many vendors, no single verdict.

A digital-asset platform onboarding institutions and individuals across jurisdictions relied on several KYC vendors — each returning its own verdict in its own shape.

Challenge

Coherence at transaction speed.

The platform needed one identity state enforced identically everywhere — with evidence for every decision and answers fast enough for transaction-time checks.

Constraints

Vendors, residency, milliseconds.

  • Multiple KYC vendors — verdicts normalized, vendors kept swappable.
  • Data-residency requirements — storage placement per jurisdiction.
  • Consent and deletion obligations — enforced in the data layer.
  • Sub-second checks — verification answers at transaction time.

Architecture → Implementation

Orchestration, claims, policy.

NormalizeVendor orchestrationDivergent verdicts normalized into one verification state.
AttestClaims and credentialsEIP-712 attestations usable on and off chain.
EnforcePolicy engineConsulted at API, contract and queue — sub-300ms answers.
ProveEvidence and consentEvery decision captured; retention enforced where data lives.

We built an orchestration layer that turns vendor verdicts into verifiable claims, with a policy engine consulted at every boundary and consent enforced where data is stored.

Technology and standards

Verifiable CredentialsEIP-712NestJSRESTgRPCAWS

Results

Compliance in hours, not days.

Unified

Single verification state across all vendors.

Fast

Transaction-time checks consistently under 300ms.

Controlled

Consent and retention enforced in the data layer.

Reportable

Compliance reporting reduced from days to hours.

Related services

CTA

Onboarding across jurisdictions?

Bring us your vendors, flows and residency rules. We will design the identity state that holds them together.