That’s not hard at all. Somone else pointed out that millions of payphones were switched from dimes to quarters in just a few years.
The half dollar could be made the same size as the current quarter. And the dime could be made the size of the current nickel. That way, adapting vending machines would be easy.
Easier because you wouldn’t need to replace everything that’s coin operated. The vast majority of coin operated things only accept quarters.
That’s not hard at all. Somone else pointed out that millions of payphones were switched from dimes to quarters in just a few years.
The half dollar could be made the same size as the current quarter. And the dime could be made the size of the current nickel. That way, adapting vending machines would be easy.
Or just have the only coin be the quarter and then it’s so easy it literally requires nothing.