This is still the same phenomenon. In your example it is the seller who has to decide to accept (or not accept) your currency and the buyer is incentivized to g

This is still the same phenomenon. In your example it is the seller who has to decide to accept (or not accept) your currency and the buyer is incentivized to give the lowest value currency. To use the car salesman analogy, in your example the buyer is selling lemons and the seller is deciding to buy.