http://u4embjw2uzwpdubgm72ywbmixte4kqgwurc4r4rp6elhlokutdfsy4id.onion/about
Stamp About Proof of Existence About the Service Protocol Summary Costs Proof of Existence Proof of Existence is a method of verifying and recording that specific data existed at a certain time. To establish proof, a timestamp and signature linked to the entity are needed to demonstrate its creation at a particular time. Blockchain technology provides a convenient solution for this purpose, as proof is stored on a public ledger that is transparent,...