Autonomous
document signing
on Cardano

ROCKVALID is an autonomous file signing and signature verification system built on the Cardano blockchain.
Documents are cryptographically linked to verified identities and wallets — transparent, tamper-resistant and independently verifiable.
Built for privacy-first document verification.
No accounts. No document storage. No plaintext identity data.

Sign-up for ROCKVALID

Create a verified blockchain identity linked to your Cardano wallet.

Your personal information is protected. No unencrypted data will be stored.

Start onboarding

Sign a document

Create a blockchain-backed signature for a PDF document using your verified identity.

Documents are stored exclusively as cryptographic fingerprints.

Sign document

Verify a signature

Verify document authenticity, identity binding and blockchain registration.

Verified cryptographic fingerprints on the blockchain are cross-checked against original document.

Verify signature

Try it out

Explore the signing workflow without creating a verified identity first.

Here you can try out our system in Cardano test mode.

Demo mode
Powered by Cardano metadata transactions · ROCKVALID