Verify Certificate Authenticity

Every OnlySigned certificate is verifiable on-chain. Fakes are impossible — the blockchain doesn't lie.

Paste a Certificate ID, shareable URL, or ICRC-7 token ID

Enter a certificate ID or URL to verify authenticity

1.Every signed copy is an ICRC-7 NFT on the Internet Computer

2.The cryptographic signature ties the asset to its Certificate Issuer

3.All co-signers are recorded immutably on-chain

4.Nobody — not even OnlySigned — can forge or alter a certificate