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Files never leave your device · Privacy by default
BUILT ON BOT CHAIN
Every agreement,
proven by design.
Place your signature on a PDF, then use your wallet to permanently attest its fingerprint onchain. No account required; your file stays on your device.
No registration Processed locally Publicly verifiable
Agreement.pdfSigned
TrustSign
Onchain attestation confirmed0x9a3e...72f1
BOT 677
Private by defaultFiles never leave your browser
BOT Chain attestationLow cost, fast confirmation
HOW IT WORKS
Three steps to trusted signing
Simple and transparent, from signature to verification.
Place your signature
Upload a PDF, draw or import your signature, and position it precisely.
Confirm with wallet
Sign the final file fingerprint with your wallet to express your intent.
Attest permanently
Record the fingerprint on BOT Chain for independent verification without exposing the document.