Document Time-Stamping Service!
Create your own Proof of Existence
The Bitcoin blockchain notary service is the cheap, fast and easy way to time-stamp your documents on the Bitcoin blockchain! We combined the reliability of a notary with the superhero powers, security, trust and low fees of the Bitcoin blockchain!
To create a proof of existence for a file (<1Gb) on the blockchain, drag and drop the document to be signed onto the box below and follow the instructions on screen.
Some words of warning
Easy Document Verification
Verify proof of existence
Once the document / file or image passes the verification, this proves that it existed on the date it was recorded on the blockchain and that the file has not been modified or tampered with in the mean time.