A zero-knowledge identity, credential, and verifiable data platform for sovereign, high-trust digital government.

Governments & Public Sector

Challenges

Governments must deliver digital services (eID, e-gov portals, e-voting, benefits) that are secure, inclusive, and privacy-preserving. They operate under strict regulations (GDPR, national data laws, procurement and audit rules) and must prove not only who accessed a service, but that every check was run correctly on the right underlying data—without exposing citizen records or duplicating core registries.

Zakapi for Government

Zakapi provides a national digital ID wallet and verifiable data layer that can scale to entire populations. Public sector agencies issue digital credentials to citizens and residents (e.g., national ID, driving licence, voter ID, permit credentials) into the Zakapi wallet, and anchor their core registries (population, tax, social security, voter rolls, business registers, etc.) as cryptographically committed databases.

When a service is invoked, Zakapi runs SQL-style policy checks over these committed datasets and returns non-interactive zero-knowledge proofs that:

1. The query was executed correctly.
2. It used the right, up-to-date database (no swapping, filtering, or tampering).
3. Only the required result (yes/no, “meets criteria”) is revealed—never the raw records.

Citizens access services with no passwords and no photocopies; agencies and auditors get cryptographically verified answers, backed by proofs that can be checked later from logs or caches.

Citizen eID & Single Sign-OnReplace fragmented logins with a “Login with National ID” experience powered by Zakapi.

• Citizens authenticate using a DID-based national eID credential stored in their Zakapi wallet.
• Government portals integrate Zakapi via SAML or OpenID Connect, so adding a new service is straightforward.
• Behind the scenes, Zakapi produces non-interactive proofs that the authentication and any eligibility checks (e.g., residency, age, tax status) were executed correctly against committed government databases—without exposing full records to each relying service.
• Assurance levels align with eIDAS and NIST LoA requirements, providing mathematically backed trust instead of log-based assumptions.

Smart Permits & LicencesIssue permits and licences (business licences, professional certifications, fishing permits, vehicle licences) as verifiable credentials linked to authoritative registries.

• Citizens present a QR code or wallet-based proof.
• The verifier receives a zero-knowledge proof that “this permit is valid, unrevoked, and matches current registry data,” derived from SQL-style checks over the permit database committed by the issuing agency.
• No need for field officers or online portals to query raw back-end databases; they verify a proof that can be rechecked later by internal auditors if needed.

Social Services & BenefitsAssess eligibility for welfare programs, subsidies, pensions, and social housing without exposing full financial or personal histories.

• Zakapi combines credentials (e.g., income data, employment status, family composition) with policy expressed as SQL-style conditions over social security and tax databases.
• The system returns a non-interactive proof that “income < threshold X” or “unemployment status verified for period Y,” based on committed datasets, with no disclosure of exact salary, full employment history, or raw records.
• Case workers see a clear decision and a proof object; oversight bodies can later verify that the correct policy query was applied to the correct underlying database snapshot.

E-Voting & Voter IDStrengthen electoral integrity with cryptographic voter verification that respects anonymity.

• Election authorities issue voter credentials (e.g., “eligible voter in District 5 for the 2026 election”) into citizens’ wallets.
• At polls or online voting portals, Zakapi proves that:
• The voter is eligible for the specific election and district.
• The voter has not already cast a ballot (enforced via committed voter participation databases).
• All of this is done via non-interactive zero-knowledge proofs encoding SQL-style checks over committed voter rolls and participation logs—so eligibility and uniqueness are enforced without exposing identities to the voting system.
• Zakapi is designed to sit alongside open verifiable voting technologies (e.g., end-to-end verifiable tally systems): Zakapi enforces “only legitimate voters can vote,” while dedicated voting protocols handle ballot secrecy and count verifiability.

Border Control & TravelStreamline border checks while preserving travellers’ privacy and reducing reliance on raw database lookups.

• Passport, visa, and travel-permit attributes are issued as verifiable credentials and linked to committed border-control and visa registries.
• At an e-gate or manual checkpoint, the traveller presents a Zakapi proof such as “passport is valid and unexpired” and “visa permits a 30-day stay from entry date.”
• Border systems verify non-interactive proofs that the relevant SQL-style checks succeeded against the correct, current registry—without pulling full records or exposing unnecessary fields to every checkpoint system.

Compliance, Sovereignty & AuditabilityZakapi is designed for sovereign control and regulatory scrutiny.

• Data jurisdiction: The full platform (including proof generation and registry commitments) can be self-hosted within national data centres or accredited sovereign cloud providers.
• Database commitments: Core registries (population, civil, tax, electoral, business) are periodically or continuously committed to via cryptographic digests. Every service proof references a specific commitment, preventing silent database substitution or manipulation.
• Source-visible & inspectable: Critical components are source-visible or open source for security review by national labs and independent auditors.
• Standards-aligned: Zakapi’s identity layer aligns with frameworks like eIDAS 2.0, the European Digital Identity Wallet, ESSIF, and emerging NIST/ISO standards. Its database-proof layer follows zero-knowledge best practices to implement privacy-by-design and data minimisation as recommended by supervisory authorities.
• Audit trails: Regulators and auditors can re-verify proofs offline from logs, checking not just that an answer was produced, but that the underlying query and database commitment were correct at the time.

Value Proposition for GovernmentEnable convenient, privacy-preserving digital public services without creating new honeypots of citizen data or duplicating regulated databases.

• For citizens: Fewer forms and photocopies; one wallet for secure login and eligibility checks across agencies; strong privacy guarantees that only necessary facts, never full records, are disclosed.
• For agencies: Reduced integration and verification costs; consistent, reusable proof formats across departments; cryptographic guarantees that policies are applied correctly over the right data.
• For regulators and oversight bodies: Independently verifiable, non-interactive proofs of both identity and policy compliance, rooted in committed government datasets rather than unverifiable logs or screenshots.

With Zakapi, governments move from “trust us, we ran the query” to “here is the proof that the right query ran on the right database”—at national scale and with citizen privacy intact.