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maybe you'd be interested in opentimestamps or factom, they use the bitcoin blockchain to timestamp documents https://petertodd.org/2016/opentimestamps-announc
by f00_ 8y ago
maybe you'd be interested in opentimestamps or factom, they use the bitcoin blockchain to timestamp documents
https://petertodd.org/2016/opentimestamps-announcement https://petertodd.org/2016/opentimestamps-announcement