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Gojiberra | 3 months ago (raw) | root | parent | reply | flag 
 I wonder if it's possible to cryptographically give a serial number to one piece of paper that couldn't be counterfeited
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ajrlewis | 2 months ago (raw) | root | parent | reply | flag +1 
 Maybe for fedimint  ... could mint cash notes that you can scan to see if they're duplicated (i.e. counterfeit) ... interesting problem!