The U.S. could also turn its eyes to the north for advice. Canada parted ways with its penny in the early 2010s for the same reasons the U.S. has expressed regarding its penny.

Some of these Canadian coins could already be in your wallet without you even knowing it, so check your change. That includes blue loonies, green toonies, red and white toonies, blue dimes, and more.

The coins may be doing more than simply getting in the way, however. It turns out they could be tracking you: Canadian quarters and nickels are legendary for finding their way into American pockets.