I agree with Anonymous that there are problems with the actual use of digital cash in the near term. But it depends to some extent on what problem you are trying to solve.

One concern I have is that the move to electronic payments will decrease personal privacy by making it easier to log and record transactions. Dossiers could be built up which would track the spending patterns of each of us.

 https://soundcloud.com/bitcoinprimitives

https://nakamotoinstitute.org/digital-cash-and-privacy/

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