MOOD ART

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Prove & transfer ownership

Everything on this page runs in your browser. Your owner key never leaves your machine — only signatures do.

Check that someone owns an artwork

Create a challenge, send it to the claimed owner, and paste their response.

Their response (JSON):

Answer a challenge (you are the owner)

Your owner key file:

The challenge you received:

Transfer ownership (sell or gift)

Buyer first: generate a new owner key for the artwork and send the seller your public key.

Artwork fingerprint (from the certificate):

Seller then: open your owner key file above (section B), paste the buyer's public key, and endorse.

Buyer's public key (base64):

See also: how provenance works · verify a certificate · the registry records one owner per artwork — the first valid transfer wins, so an artwork can never be sold twice.