Presumably you have a pile of dirty cash you need to make clean. That cash needs to enter the banking system somehow. If you show up to the bank and say, "I got

Presumably you have a pile of dirty cash you need to make clean. That cash needs to enter the banking system somehow. If you show up to the bank and say, "I got this money from selling Bitcoin", they'll likely wonder how you received it in that form, rather than as an ACH, wire transfer, or other non-cash form. So the question is, how did you arrange to sell BC for physical cash? EDIT: Ok, I'm looking at it the wrong-way around. I guess you buy the BC locally with the cash, then tumble it, then sell it and claim that those coins were purchased back when you were a shrewd BC investor. I think the point still stands though that this is a risky maneuver, because the cover is a red flag in its own right, versus a restaurant that appears to be doing normal business.