The certificate your work has always deserved

Digital Certificate of Authenticity

Provenance begins in the studio. Keep it intact.

Digital certificates of authenticity for artists, photographers and collectors, with galleries coming soon. Dated, verifiable and traceable from the first sale.

Request early access How it works

Who it's for

Made for the art world.

No technical knowledge needed.

Artists
Register, protect and follow your work.
Register each work from the start and transfer the certificate to whoever buys it. Your dashboard shows how many owners it has had and who owns it today.
Photographers
Every edition with its own identity.
Every print, analog or digital, with its own certificate: technique, process, paper, year and how many prints you declared. A dated record that is never deleted or rewritten.
GalleriesComing soon
Real provenance with every sale.
Your buyer takes home real provenance from the first sale: not a signed piece of paper, but a dated, verifiable record.
Collectors
Your work, documented. Its history, recorded.
The certificate comes with the work and stays in your name, with no monthly fee; it can't change owners without your authorization. When you sell, your buyer receives the full history back to the artist.

How it works

Register. Sell. Transfer.
The history stays.

Register the work
Upload a photo and fill in the title, technique and dimensions. The certificate is issued with a date and a digital fingerprint, before you sell.
In a few minutes · No technical knowledge needed
Sell the work
As always: in your studio, at a gallery, at a fair or on social media.
Wherever you sell · However you sell
Transfer the certificate
Enter the buyer's email; once they confirm, the certificate moves to their name with its full history.
Confirmed by email
The history stays on record
Every transfer adds a link: when the work changes hands years from now, the history will already be there.
Dated · Verifiable · In your name

Verified certificateOct 15, 2026 · 14:32:07 UTC

01This pageVisual verification: details, history and current owner.
02Image recordSHA-256 hash: confirms the image hasn't changed since it was registered.
03Dated recordEvery change is dated. Verifiable via the QR code.

Certificate no.

DCOA-2026-000001-K7Q2

Pliegues

by Sample Artist · 2026

Artist: Sample Artist
Artist's country: Uruguay
Year: 2026
Technique: Oil on canvas
Dimensions: 50 × 50 cm (19.7 × 19.7 in)
Type of work: Unique original
Current owner: Private collection
Issued: May 15, 2026 · 14:32 UTC
SHA-256 hash: 1a5b08a6f1d2753bc6028636ebf82a62125c46b04cd2a1838c76851f38951779

Ownership history

Origin · ArtistSample ArtistMay 15, 2026Issued
Current ownerPrivate collectionCurrentJun 20, 2026First sale

Download PDF certificateShareTransfer this work

Certificate issued by dCOA. The record is never deleted or rewritten: every change is dated.

Sample certificate with fictitious data. The QR code leads to dcoa.art.

Certification

Two levels of certification.

Level 1 — Digital certification
Available in the beta
A dated digital fingerprint (SHA-⁠256 hash), stored in the cloud. A PDF certificate, verifiable with its QR code.
Level 2 — Blockchain certification
Coming soon
For unique original works: the record's fingerprint is also written to a public blockchain that dCOA does not control.

During the beta, every work is certified at level 1.

Never lost. Downloadable. Traceable. Transferable.And every transfer on record.

dCOA makes visible and traceable what usually stays invisible: the authorship declared by the artist, the provenance and every transfer.

Royalties for the artist

Coming soon

In many countries, the law entitles artists to a percentage of many resales of their work: the resale right (droit de suite).

Where that right exists, dCOA records the resale and notifies the artist with the information needed to claim it; it doesn't collect or manage royalties.

Where it doesn't, every transfer is still recorded: you know which country your work is in and how many times it has changed hands.

Getting started

Transparent from the start.

Free during the beta. After that, artists and galleries pay a subscription; collectors don't pay for their certificates, and a transfer fee may apply when they sell.

During the beta
Free, up to 10 works.
A certificate with a QR code and PDF download, plus a dashboard with each work's history.
- Royalty notices Coming soon
First purchase
Buy a work. Get its history.
The seller starts the transfer. You confirm from the link we email you, and the certificate moves to your name.
- Confirm with Google or with a code sent to that email
- Your collection starts with that work
GalleriesComing soon
A real edge for your gallery.
With consignment, the artist authorizes you to record the sale of their work, with your brand and dCOA's technology.
- Certification for all your artists
- Royalty information by market

Join the waitlist

Early access

Join the waitlist.

We're opening access gradually: leave your details and we'll email you. Free during the beta.

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ArtistPhotographerCollectorGallery

Country

I accept the privacy notice

Provenance begins in the studio. Keep it intact.

Register, protect and follow your work.

Every edition with its own identity.

Real provenance with every sale.

Your work, documented. Its history, recorded.

Register the work

Sell the work

Transfer the certificate

The history stays on record

Level 1 — Digital certification

Level 2 — Blockchain certification

Royalties for the artist

Free, up to 10 works.

Buy a work. Get its history.

A real edge for your gallery.