Cool. Or you can put the cash in a 'bank' where you don't have to worry about 'multiple copies'. The 'friction' of Bitcoin is that it little to no sense as a c

Cool. Or you can put the cash in a 'bank' where you don't have to worry about 'multiple copies'. The 'friction' of Bitcoin is that it little to no sense as a currency, and only from a certain fairly narrow perspective might have some advantages. Nice experiment, but not very useful. Maybe one day the crypto folks will figure something out. I'm sure something in there is useful.