Stampery

Proof of ownership : Certify that a file or email is authored by you.

Proof of existence : Certify that a file or email existed at a certain point of time.

Proof of integrity : Certify that a file or email was not tampered with.

Legally binding : All certificates are 100% counterfeit-proof and verifiable by independent third parties.

State of the art security : Your files are stored encrypted, your timestamps are embedded in the bitcoin blockchain.

Bulk services : Connect with our API in order to integrate timestamping and proof of ownership to your service.