Ah, money. You work hard for it, you never seem to have enough of it, it makes the world go 'round, but mo' of it means mo' problems.

Beyond all of that, how much do you really understand about that money in your pocket? You'd be surprised by what you don't know --- and we've got just a few (85!) examples.

Take a look at these fascinating facts you've probably never heard about money.

85. It makes no cents

Coins of Canada. Maple leaves depicted in Canadian one cent coin.
Vladimir Wrangel/Shutterstock

In 2016, it cost the U.S. Mint 1.5 cents to make one penny. Canadians had a similar problem with pennies costing more than they were worth, which is why Canada stopped making pennies in 2012.

84. Virtual cheese

finance, money, bank and people concept - close up of woman inserting card to atm machine
Syda Productions/Shutterstock

The Federal Reserve has $1.49 trillion in paper currency circulating in the United States at any given time for people to swap physical bills. However, that doesn’t mean it’s all the money in the country. The vast majority of money is recorded digitally, and transactions from a checking account are handled with debit cards or checks.

83. Empty vaults

The doorway of a bank vault.
Peter Kim/Shutterstock

Despite what you see in the movies, retail banks don’t actually keep millions of dollars sitting in a vault. The vast majority of banks in the country are only required to keep enough cash to cover 3% of the total transactions on reserve. That means your local bank probably only has a few thousand dollars in the vault, which is enough for day-to-day transactions.

Continue reading on the next page.