A Foundation · Product owned by 256Bank

Digital trust — that just works

The internet was built on trust me, bro. We're building the layer that lets you actually verify — that the message is real, the document is signed, the transaction happened. Quietly. In the background. Everywhere.

EU-based · GDPR by design
Cryptographically verifiable
Open standard · Neutral
Built for humans and machines
Scroll to see more
Why it matters

Every day, you're asked to trust something you can't verify

A message from your bank. A photo in a news article. A "sign here" pop-up. An AI answer. The internet has run on faith for thirty years — and it's getting harder every day to tell what's real. We think that should change.

Is this message real?
Scam texts, fake bank emails, deepfake voices. When someone says "it's me" — you should be able to check, not guess.
Is this document signed for real?
Contracts, receipts, medical records. A signature should mean something — and you should be able to prove it years later.
Did this actually happen?
Payments, transactions, events on the record. When it matters, you should have proof that stands up — not just a screenshot.
How it works

Simple in the middle. Serious cryptography underneath.

You don't have to understand it to benefit from it — just like you don't need to know how HTTPS works to bank online. But if you're curious, we'll show you.

1
Something happens
A message is sent, a document is signed, a transaction is made, a piece of content is published.
2
A Trust Stamp is created
In the background, a cryptographic fingerprint is recorded — verifiable by anyone, forgeable by no-one.
3
Anyone can check
Now — or in ten years — anyone can verify: yes, this really happened, exactly like this, at this moment.
Where the Trust Stamp shows up
💬
Your bank actually texted you
A little checkmark next to the message — real, verified, safe.
📄
Your contract still holds
Signed today. Provable ten years from now, in any court.
💸
Your transfer really went through
Cryptographic receipt — no more "the payment must be lost".
🖼️
That photo wasn't AI
Or it was — and you can tell the difference in half a second.
Our promise

Digital trust — as basic as electricity, as neutral as a public utility.

The Trust Stamp is an open standard, stewarded by a Foundation. No single company owns it. No user pays for content authenticity. It's built to last decades, not quarters.

A Foundation · Product owned by 256Bank

The Foundation of Digital Trust

The Trust Stamping Foundation advances the Trust Stamp — a cryptographic standard for verifying digital actions, identities, and computations against a unified benchmark for integrity, accountability, and trust.

01
02
03
04
Trust Stamp
Verified Integrity
0xa7f3…9e1c · verified
MPC · 4-of-5 quorum
Stamp valid
Anchored in
The Foundation

Who is the Trust Stamping Foundation

A Danish Foundation established to advance digital trust through open, neutral, privacy-preserving infrastructure. The Trust Stamping product is owned and operated by 256Bank — the Foundation stewards the standard, the ecosystem, and the public interest around it.

The Trust Stamping Foundation is a Foundation dedicated to the long-term stewardship and adoption of the Trust Stamp — an open cryptographic standard for verifying digital actions, identities, and computations.

Rather than building products or competing applications, the Foundation develops the standard, supports the ecosystem, funds public-interest research, and ensures that the Trust Stamp remains open, neutral, and usable across industries and jurisdictions.

The underlying Trust Stamping product, platform, and intellectual property are owned and operated by 256Bank. The Foundation operates at arm's length to protect the standard from commercial capture and ensure broad, fair participation.

"Trust is not a product. It is a public good. The Trust Stamping Foundation exists to make verifiable trust as available, as cheap, and as neutral as an internet connection."
Digital Trust Architecture

Two layers. One cryptographic stamp of trust.

The Trust Stamping Architecture combines two core technologies — blockchain as a coordination and security layer, and Multi-Party Computation (MPC) as a cryptographic execution layer — into a unified infrastructure that delivers the highest level of verifiable integrity for data and processes.

Layer 01 — Coordination
Blockchain Coordination
An immutable, tamper-evident ledger that orders events, distributes attestations, and provides the public record against which any Trust Stamp can be verified.
Ordered, auditable event log
Distributed consensus across independent operators
Tamper-evident: any change is cryptographically detectable
Public verifiability without exposing underlying data
Layer 02 — Execution
Multi-Party Computation
A cryptographic protocol that lets independent operators jointly compute results over encrypted inputs — producing verifiable outputs without ever revealing the underlying data.
Computation over encrypted data — no plaintext exposure
No single party ever sees the complete input
Quorum-based execution: resilient to collusion and failure
Suitable for identity, fraud, compliance, and AI workloads
TRUST STAMP
The output · Layer 01 + Layer 02
The Trust Stamp
A Trust Stamp is a cryptographic attestation — produced by the combined blockchain and MPC layers — that verifies a digital action, identity, or computation against a standard for integrity, accountability, and trust. Anyone can verify a stamp. No one can forge one.
Verifies digital actions: transactions, approvals, credentials
Verifies identities: people, organisations, AI agents, devices
Verifies computations: fraud scoring, compliance checks, AI inference
Publicly verifiable, privately computed
Solution Pillars

Real-world problems, solved with the Trust Stamp

Solution pillars group real-world problems into domains that can be solved using the Digital Trust Architecture. Each pillar delivers verifiable integrity, privacy by design, and regulatory alignment — out of the box.

Participate

Three roles. One ecosystem.

The Trust Stamping Foundation is sustained through active participation — not passive usage. Every participant takes on one of three roles, each with its own responsibilities, rights, and contribution model.

How the roles fit together

Contributors fund and shape the Foundation. Actors build on and use the Trust Stamp across industries. Core Operators run the cryptographic infrastructure itself. Each role reinforces the others — removing any one weakens the whole.

Contributors — supporters and funders
Actors — builders, users, deployers
Core Operators — node operators, validators
TRUST STAMP Foundation Contributors fund · govern Actors build · deploy Core Operators run nodes
Contribute to the Foundation

Four ways to contribute

Contributions fund the Foundation's public-interest work: open-source development, builder grants, research, education, and policy engagement. Choose a recurring tier below or make a one-off contribution in any amount.

Governance

Operating principles

The Foundation operates under a published governance framework designed to keep the Trust Stamp open, neutral, and accountable over the long term.

Verifiable digital trust — as a shared public good

Join the Trust Stamping Foundation and help build the open standard for integrity, accountability, and trust on the European internet.

Partner access · Actors & Core Operators
Economics

How the Trust Stamp is paid for

Every verification is an on-chain action. On-chain actions have a cost.

The core principle

Two pricing models

Use cases & fees

How the interchange fee is shared

Pricing principles

Detailed pricing

Every use case, every fee, every split

A per-use-case breakdown of what each verification costs, who pays it, and how the fee is distributed across the ecosystem. Use the calculator below to estimate real-world costs for your volume.

Fee calculator
Contributor
Welcome
Your Foundation dashboard — contributions, tasks, Bits, and direct communication with the Secretariat.
Open tasks
View all →
Recent activity
WhenTypeDescriptionAmount
Bit Wallet
Your Bits balance, contribution history, and rewards. Bits are the membership and reward unit of the Trust Stamping Foundation.
Current balance
0Bits
≈ €0 · 1 Bit = €1 contribution value
Transaction history
DateTypeDescriptionReferenceBits
Tasks
Tasks assigned to you by the Foundation Secretariat. Complete tasks to earn Bits.
Open
Submitted — awaiting review
Completed
Contributions
Your financial contributions to the Foundation. Each contribution is recorded on your account and converts to Bits 1:1.
DateAmountMethodFrequencyStatusReference
Events
Upcoming Foundation events — AGM, community calls, Patron dinners, working groups. RSVP to confirm your attendance.
Upcoming
Past events
Documents & Resources
Foundation documents available to you — policy papers, research drafts, annual reports, and standards.
Messages
Direct communication with the Foundation Secretariat.
Conversations
Foundation Secretariat
Profile
Your account information, credentials, and preferences.
Account details
Member ID—
Username—
Display name—
Email—
Organisation—
Country—
Role—
Status—
Member since—
Update credentials
You sign in with a passkey. Add or remove keys on your security page.
Members
Manage all three groups: Contributors, Actors, and Core Operators. Approve applications, allocate Bits, send messages, and update roles or status.
Contributors0 pending
0
Individuals supporting the Foundation
Actors0 pending
0
Organisations deploying Trust Stamp
Core Operators0 pending
0
MPC node operators running infrastructure
MemberRoleStatusBitsSinceActions
Assign tasks
Create tasks for members with a Bit reward. Review and approve submitted tasks.
Create a new task
Submitted — awaiting your review
All open tasks
Broadcast message
Send a message to a category of members, or to a specific member. Messages are delivered to their Messages inbox.
Send message
Foundation settings
Core configuration for the Foundation.
Bits economy
Foundation stats
Total members0
Total Bits in circulation0
Total contributions (EUR)€0
Open tasks0
Completed tasks0
Danger zone

Reset all Foundation data — members, contributions, Bits, tasks, and messages. This cannot be undone.

Events admin
Create and manage Foundation events. Members see the relevant events on their dashboard and in the Events page.
Create event
Upcoming events
Past events
Documents admin
Add links to Foundation documents and resources. Control which group of members can access each document.
Add document
All documents
New conversation
Start a new message thread with the Foundation Secretariat.
Request access
Tell us who you are and how you intend to use the Trust Stamp. A member of the Secretariat reviews every request. If it is approved, you will receive a single-use link to register a passkey on your own device — there is no password to choose or remember.
Already have access? Sign in with your passkey.
Request received
Thank you. The Secretariat reviews requests manually, so this is not instant. If your request is approved, you will receive a single-use link to register your passkey. We do not send a confirmation email for the request itself.
Contact the Secretariat
For partnerships, press, governance questions, or operator applications.
—
—
Done