Prove a file existed, unchanged, by a certain date, or check a proof someone sent you. Free, using OpenTimestamps and Bitcoin, with no coins or wallets involved. The file is fingerprinted in your browser and never uploaded. We've timestamped 978 of our own documents this way, with no failures.
https://makeprivacy.org/tools/timestamp/
#OpenTimestamps #Bitcoin #DigitalEvidence #OpenSource
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makeprivacy
makeprivacy.org publishes free guides and tools for people and small businesses who want to depend less on Big Data platforms: the free services paid for with your data, and the ones that quietly become the only place your records exist.
It is written by the team behind makeprivacy.com, which designs and builds private business systems for companies. Everything here comes from systems we built and run for our own companies first, with the real numbers. We don't publish client stories.
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