Proof of existence Allows to certify a document ( of any format ? ), it gives a fingerprint relative to the date of the certification and it is stored in an online "Bitcoin... Free Open Source Mac Windows Linux Web Self-Hosted ... Python JSON JavaScript Bitcoin Bitcoin Certification Add a feature 5 Like
Stampery Stampery generates legally binding proofs of existence, integrity and ownership. Send notaries on vacation. Certify your documents easily and safely. Free Web iPhone Blockchain Certification Add a feature 5 Like
Woleet Blockchain timestamping and certification Software as a Service , SaaS. Woleet offers a BaaS (Blockchain as a service) platform with the following features : . Commercial Mac Windows Linux Blockchain Certification Certifications Timestamps Add a feature 0 Like
