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Re:Coinbase raises $100M Series D led by IVP by avian on Thursday August 10, 2017 @02:00PM (#14982347)
Are you confusing digital with electronic? Ones and zeros carved into a tree are still a digital record. Digital refers to the fact the you operate on a set of discrete values, in contrast to a continuum of values. Medium is irrelevant.

Just to be clear. I do agree with the argument above that "cryptocurrency" is a much more fitting term than "digital currency".

Re:Coinbase raises $100M Series D led by IVP by 45h34jh53k4j on Thursday August 10, 2017 @02:41PM (#14982779)
Yeah, I think I am confusing the two.

I suspect there are chemical compounds that when reacted can perform analog arithmetic. If you used that to create signing, hashing and propagation logic I dare say analog cryptocurrencies could exist.