> I don't understand why the USD 1 bill exists The US introduced a USD 1 coin in the 1970s. It was an exceedingly poor effort and failed miserably. The memor

> I don't understand why the USD 1 bill exists The US introduced a USD 1 coin in the 1970s. It was an exceedingly poor effort and failed miserably. The memory of that failure is likely the reason we don’t get rid of the bill now. We reintroduced the dollar coin 20 years ago. This time, they addressed all of the problems. I think that in another 10-20 years they will remove the paper bill, and nobody will care.