South Korea tests prepaid cards to replace pocket change
 

Coins are a pain in more ways than one. You probably don't like fishing for change, of course, but they're also expensive to make (the US loses money on every penny) and require mining that hurts the environment. Wouldn't it be good to get rid of coi...

https://www.engadget.com/2017/04/19/...oinless-trial/