MUTUAL CONTRACT SIGNING

Counter-Sign Document

Review and sign the document hash to create a mutual proof on the blockchain. Your signature will be permanently paired with the original proof.

Step 1: Upload & Verify Document

Drop document here or click to upload

We'll verify the hash matches the original proof

Step 2: Load or Generate Keys

You need Ed25519 keys to sign the document hash

Your signature will be recorded on the Solana blockchain

By signing you agree to our Terms of Service.