There are some enryption schemes for money that's hard to counterfeit (and most of them are quite complex to acount for nonobvious angles of attack), but I am assuming that a wave enhanced decryption device could get around that. Also there has been some back and forth how widespread FTL comms are, so a method that relies on communication would probably not be a good currency.
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."