Zero-Knowledge Blockchain Identity

What if you never needed to carry your wallet again?

In a Digital World,
Keep Your Privacy, Private

FOLD by Datalium is the first digital identity wallet where even the company's staff cannot see your documents. Secured by Zero-Knowledge blockchain, eIDAS 2.0 compliant, and designed in Switzerland.

Discover FOLD Zero-Knowledge Architecture
FOLD
💳
Identity Card
John Smith
Valid
🚗
Driver's License
Category B
Valid
⭐
Loyalty Card
Favourite Store
Valid
Verify
Name ••••••••
Date of birth ••/••/••••
Adult Yes
Height 1,74 m
Eyes Brown
Identity Verified
Authentic

Europe Mandates Digital Identity

EU regulation 2024/1183 (eIDAS 2.0) requires all Member States to provide digital identity wallets. FOLD is ready.

May 2024

The eIDAS 2.0 regulation enters into force across the European Union.

Dec 2026

All EU States must provide digital identity wallets to citizens.

Dec 2027

Banks, insurers, telecoms must accept digital wallets.

450M Citizens

Across 27 EU Member States. No dominant private solution exists yet.

Your identity is vulnerable

Loss & Theft

  • Physical documents easily lost or stolen
  • Replacement is slow, expensive and stressful
  • Identity theft risk in case of loss

Forgery & Fraud

  • Paper documents easily forged
  • No remote authenticity verification possible
  • No timestamped digital proof

Slowness & Complexity

  • Endless administrative procedures
  • Bulky physical wallet
  • Impossible to share documents online securely
FOLD
💳
Identity Card
John Smith
Valid
🚗
Driver's License
Category B
Valid
⭐
Loyalty Card
Favourite Store
Valid
📄
Passport
Biometric
Valid
Secured 0 Tracking eIDAS 2.0
The Solution

Discover FOLD

By Datalium — Privacy as a point of honor

Always with you

Your documents in your pocket, accessible even without internet

Unforgeable

Every document is anchored on the blockchain — impossible to counterfeit

Zero tracking

Even we cannot see your data — it's technically impossible

Verified in 2 seconds

A QR code is all it takes to prove your identity to authorized parties

eIDAS 2.0 Ready Swiss Sovereignty Zero-Knowledge

How FOLD Works

Four simple steps. Under the hood: AES-256 encryption, SHA-256 hashing, and distributed blockchain storage.

1

Download

Get FOLD Wallet on the App Store or Play Store.

2

Scan

Scan your identity documents — encrypted locally on your phone with AES-256.

3

Validation

Your documents authenticated and confirmed by your government. Your identity is officially verified.

4

Present

Show your digital identity via QR code — verified in 2 seconds by authorized parties.

Family Pack

Protect Your Entire Family

FOLD is not just an individual wallet. With the Family Pack, manage your children's documents, automatically generate travel authorizations, and share securely with school, doctor or the other parent.

Children's documents

Add all your children with no limit. ID card, health booklet and school documents, always accessible.

Travel authorization

Automatic generation of a digitally signed travel authorization, verifiable in 2 seconds.

Secure sharing

Share a document with school or doctor without ever losing control. Revocable at any time.

FOLD FOLD
👶
ID Card
Emma Dupont — 5 years old
Share with school
👶
FOLD FOLD
📄
Document received
Valid
Verified • Secure

FOLD Features

A complete digital identity wallet built on Zero-Knowledge architecture.

Multi-Documents

ID card, driver's license, passport, health card — all your official documents in one secure place.

Triple Authentication

PIN code + Face ID/Biometrics + Security questions. Three layers protecting your identity.

Verifiable QR Code

Prove your identity in 2 seconds. Selective disclosure — show only what's needed, nothing more.

Offline Access

Your documents are always available, even without internet connection. Pocket identity, for real.

Phoneless Recovery

Lost your phone? Recover your identity via FaceID + email or security questions. No data is ever truly lost.

One Platform, Two Applications

FOLD serves both citizens and businesses with dedicated applications.

FOLD FOLD VERIFY
Name ••••••••
Date of birth ••/••/••••
Adult Yes
Height 1,74 m
Eyes Brown
Zero-Knowledge

Only the necessary information

FOLD Verify only displays the data strictly necessary for verification. Your name, date of birth and other sensitive information remain hidden. The verifier sees only what they need — nothing more.

Selective disclosure

Prove you are an adult without revealing your date of birth. Show your height without disclosing your full identity.

FOLD Wallet

Store your ID card, passport, driver's license. Secure family document sharing. Recovery even without your phone. Fully eIDAS 2.0 compliant.

FOLD Verify

Instant identity verification. Anti-fraud authentication. Built-in eIDAS 2.0 compliance. Modular solution for any sector.

We Cannot See Your Data

This is not a policy. It's a technical guarantee. FOLD is built on a Zero-Knowledge architecture where your documents are encrypted on your device before they even leave it. No server, no employee, no government — and not even Datalium — can decrypt your data.

No tracking. No logs. No resale. It's technically impossible.

Zero-Knowledge Proof

Your identity is validated without ever revealing its content

AES-256 Encryption

Military-grade — encrypted locally on your phone

RAM-only Middleware

Servers purge automatically — nothing is ever stored

Anonymized Logs

Automatically deleted every 24 hours — user tracking impossible

Zero Data Exposure

"The first digital identity solution where even the operator cannot access your documents."

  • FaceID never stored — only used to derive the encryption key
  • Documents never leave your device unencrypted
  • Middleware runs in RAM only — auto-purge after each operation
  • Ed25519 digital signatures for block integrity
  • hash = SHA256(index : timestamp : data : previous_hash)

Our Partners

Datalium collaborates with trusted partners to deliver the best digital identity solutions.

ITOTadvice - Partenaire officiel Datalium

Your Privacy Deserves to Stay Private

Join the pioneers of privacy-first digital identity in Europe. FOLD by Datalium — where security meets trust.

Discover FOLD View Architecture