This is not and should not be the function of 'regular' currency. Therefore, invalid criticism of BTC.And this means, of course, that nobody can tell Bitcoin users what they should and shouldn’t be spending their money on -- for good or for ill.
Well, hang on. 1) You are a prostitute where prostitution is illegal. 2) I pay you for a sexual act in recognized currency (money). 3) I am an undercover cop. 4) You go to jail for soliciting. OR: 1) You are a prostitute where prostitution is illegal. 2) I pay you for sex in an unrecognized currency (bitcoin, for example). 3) I am an undercover cop. 4) We go to the supreme court over whether or not we conducted a "transaction" or an "exchange" because one is an A felony and the other is a C felony. For the longest time, possession of marijuana was legal in Alaska but sales were illegal. What's a "sale?" There's a big legal difference between "pay" and "trade for" and that, right there, is one of the sticky wickets of unregulated currency.