Deca4
Deca4 Government Solutions · Digital Identity
Sovereign Digital Identity
& Verifiable Credentials
A national identity and credential system built on decentralised identifiers, controlled by the state, carried by the citizen, trusted across borders.
One identity layer for citizens and visitors alike.
Who We Are
Deca4 is a UAE-based government technology firm with deep experience in digital identity and public infrastructure, maintaining UAE Pass, the number one blockchain-based digital identity system in the world.
Trusted by governments and regulators
TDRA Ras Al Khaimah DIFC Courts
Deca4 Government SolutionsWho We Are · 02
The Opportunity
An identity that is sovereign, portable and instantly verifiable
Most government identity today is a record locked in a central database, slow to check and impossible to carry. Decentralised identifiers and verifiable credentials flip that: the state issues, the citizen holds, and anyone can verify in seconds, at home or across a border.
01
State-issued, citizen-held
Government issues credentials the citizen keeps in their own wallet. They control what they share, and the state stops warehousing copies of every document.
02
Instantly verifiable
Any bank, employer, airline or authority can confirm a credential cryptographically in seconds, with no call to the issuer and no access to government systems.
03
Sovereign and interoperable
The identity anchors on infrastructure the state controls, yet follows open standards, so it is recognised across borders and by the wider digital economy.
Identity that citizens carry and control, and that any party can trust without recourse to the issuing authority.
Deca4 Government SolutionsThe Opportunity · 03
Our Capabilities
One identity layer, for citizens and visitors
01
National Digital Identity
One sovereign ID per person
  • A decentralised identifier anchored on state infrastructure.
  • Binds each citizen or resident to a lifelong, portable identity.
  • One verifiable root, replacing scattered ID numbers.
02
Verifiable Credentials
Documents that prove themselves
  • Licences, certificates, diplomas and permits, issued as signed credentials.
  • Held in the citizen's wallet, shared only when needed.
  • Verified cryptographically, with no call to the issuer.
03
e-Visa & eTA
Identity for visitors
  • Visas and travel authorisations issued as verifiable credentials.
  • Pre-vetted before arrival, checked in seconds at the border.
  • The same rails extend identity beyond citizens.
04
Cross-border Verification
Trusted anywhere
  • Open standards let any party verify a credential, worldwide.
  • Selective disclosure shares only the fact required, not the document.
  • Positions the state as a hub for the digital economy.
A single identity layer, one system for citizens and visitors, recognised at home and across borders.
Deca4 Government SolutionsOur Capabilities · 04
How It Works
Issue once, verify anywhere
Every credential follows the same trust triangle. The government issues it, the citizen or visitor holds it, and any party may verify it, by checking the issuer's signature against the sovereign identity registry, without recourse to the government.
Issuer
Government
Signs and issues the credential to the holder.
Holder
Citizen or Visitor
Keeps it in a wallet, presents it when asked.
Verifier
Bank · Airline · Employer
Confirms it instantly, without contacting the government.
1 · Issues credential
2 · Presents proof
Anchors issuer DID
Anchors holder DID
3 · Checks signature
Sovereign Identity Registry
A sovereign government blockchain anchors issuer and holder identifiers and revocations. No personal data ever leaves the citizen's wallet.
Sovereign chain
Deca4 Government SolutionsHow It Works · 05
For Citizens & Residents
A national identity for every citizen and resident
Every citizen and resident gets a national digital identity and a wallet of verifiable credentials, issued by the state, carried on their phone, and shared only when they choose.
One verified identity for every government service, online or in person.
Licences, diplomas and records held as credentials they control.
Selective disclosure: prove a fact, such as age or residency, without revealing the document.
Works offline and across borders, on open standards.
Reduced fraud, lower administrative burden, and citizens in full control of their own identity.
National ID Wallet VERIFIED
Aisha Al Mansoori Verified
National ID
Resident
My Credentials
IDNational Identity✓
DLDriving Licence✓
EDUniversity Diploma✓
Share a credential
Selective disclosure, you choose what to show
Deca4 Government SolutionsFor Citizens · 06
For Visitors · e-Visa & eTA
The border, cleared before arrival
The same identity rails welcome visitors. A traveller applies online, is vetted before they fly, and receives a verifiable travel credential in their wallet, so the border becomes a formality checked in seconds.
Step 1
Apply online
The traveller requests an e-Visa or eTA from anywhere, in minutes.
➞
Step 2
Vetted in advance
Identity and eligibility are checked against watchlists before departure.
➞
Step 3
Credential issued
An approved travel credential lands in the traveller's wallet.
➞
Step 4
e-Gate in seconds
At the border it is scanned and verified instantly, with no manual check.
Faster, more secure borders: screening moves upstream, and processing is reduced to seconds.
Deca4 Government Solutionse-Visa & eTA · 07
The Impact
One system, benefiting every stakeholder
A single identity layer transforms the experience for the people who use it and the economics for the state that operates it, simultaneously.
For citizens & visitors
Instant, paperless services
Establish identity in a single action, without queues, duplicate copies or repeated submissions.
Privacy by design
Share only the fact required, never the whole document, and keep control of your data.
Recognised anywhere
One identity that works across services and across borders, at home or travelling.
For the state
Fraud collapses
Credentials are cryptographically signed, so forged IDs and documents stop working.
No central honeypot
Data remains in citizens' wallets; there is no central database to breach or exfiltrate.
A magnet for investment & tourism
Frictionless, interoperable identity makes the jurisdiction easier to visit, bank and do business in.
A single reform from which citizens, visitors and the treasury benefit, simultaneously.
Deca4 Government SolutionsThe Impact · 08
How We Deliver
We build the whole system, end to end
This is not an app bolted onto a ministry. Deca4 delivers the complete system a government needs to run a national identity, from the blockchain trust layer to the wallets and screens citizens, officers and verifiers actually use.
Trust layer
Blockchain
DIDs, credential schemas and revocations anchored on a public ledger, the sovereign, verifiable foundation.
Integration
Backend
Issuance and verification services wired into existing civil, border and registry systems, so staff keep the tools they know.
Experience
Frontend
The citizen wallet, officer consoles and verifier apps, the end-to-end interface for issuing, holding and checking credentials.
And AI augmentation where it helps, document capture, fraud detection and eligibility triage, applied to the workflow, never to who you are.
Deca4 Government SolutionsEnd to End · 09
How We Work
Two ways to engage, one outcome you own
Model A
Fixed-Scope Implementation
We scope, build and hand over an agreed set of capabilities for a defined, capped price. You budget with certainty and own the system outright on delivery.
Best whenYou have allocated capital and want cost certainty and a clean, procurement-friendly engagement.
Model B
Build & Revenue-Share
We build at no upfront cost and share in the fees the new digital services, such as e-Visa and credential verification, generate over time. Our incentives are tied directly to the platform succeeding.
Best whenYou want to launch now and prefer to align our reward with the revenue the system earns.
The same system, either way. The only variable is how it is paid for, and your government owns the outcome.
Deca4 Government SolutionsHow We Work · 10
Where We'd Start
01 · Introductory Call
Align on priorities, citizen and visitor use cases
02 · Discovery Workshop
Scope the first credentials and integration with your registries
03 · Implementation Proposal
A fixed-scope plan to a live pilot in months, not years
Thank You
We would be honoured to build this with your government.
Deca4
info@deca4.com  ·  deca4.com
Deca4 Government SolutionsThank You · 11