Handling the queue on a busy Friday
The practical bottleneck is never the order — that part takes seconds. It is the first-visit verification, and the way experienced stores handle it is to start it early: a customer who says they want to buy gets the verification link while they are still waiting to be served, so by the time they reach the window the only thing left is the amount.
Returning customers do not repeat any of it. In a store with regulars, the steady state after a few weeks is that most crypto orders take less time than cashing a check.
If a verification does not clear, the answer at the counter is always the same: the employee does not have to adjudicate it and should not try to. Support handles the exception so the queue keeps moving.



