ProvenanceChain
On-chain notary
Online ยท Hedera testnet
The world's first on-chain notary

Your document, certified forever.

Upload any file or paste any text. We compute its fingerprint, record it permanently on Hedera's public blockchain, and issue you a certificate.
No lawyer. No office. No appointment.

Hedera Consensus ServiceWalletConnect PayWorldID
Notarize a document
Three steps ยท under a minute
1
Select document
2
Pay
3
Certificate
๐Ÿ“„
Drop your document here
PDF, DOCX, TXT, images โ€” any format
or
๐Ÿ”’Your file never leaves your device. Only its fingerprint (SHA-256 hash) is sent to the blockchain.
What can you notarize?
Contracts & agreements
Creative work & IP
Medical records
Wills & testaments
Whistleblower reports
Photos & evidence
How it works
๐Ÿ“„Your file is never uploaded โ€” only its SHA-256 fingerprint is sent.
โ›“The fingerprint is recorded on Hedera, timestamped by thousands of nodes.
๐Ÿ“œYou receive an NFT certificate proving the document's existence.
Documents notarized
24
on Hedera testnet
HCS topic
0.0.4891234
sequence #24
NFT certificates
24
HTS token PCP
Notary register
Live from Hedera Mirror Node ยท public ยท immutable ยท click any row for details + certificate
Verify a document
#24
contract-final-v3.pdf
a3f9b2c1d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1
PublicWalletConnect
Mar 28, 14:32โ†—
#23
patent-application-2025.docx
c7d8e9f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8
PublicWalletConnect
Mar 28, 11:07โ†—
#22
whistleblower-report.txt
f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1
Anonymous
Mar 27, 09:15โ†—
Showing 3 of 24 notarizationsView all on HashScan โ†—