I think you just described cash.
replyThat's the idea---to my mind---that's worthwhile for crypto to work toward. Something that has all the traits of cash but that can be used over the internet.
replyThis. Something that elevates cash, can be cash, and go back to digital.
replyThere have been a number of Bitcoin physical bearer instruments. Take a look at Opendime/Satscard, for example.
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