@spmatich @ibk @phoebematich
For medical records you can imagine we want to know, and show, that the record we see is the record that was made, all of it, and only it.
This may be accomplished by passing the (element of the) record through a #trapdoor #function, or #hashing #algorithm such as SHA1 (secure hash algorithm 1) and sending the hash somewhere else.
The hash is small, compared with the medical note, and tiny compared to a photograph.
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text/gemini