http://coinmamailtcrg7fw6uorut3d35bk35rtmntkrtb4fgeov6pefvfutqd.onion/blog/a-history-of-money-from-barter-to-banknotes-to-bitcoin
Coins, notes, banks, and credit cards are some of the words your young friend might use. Many adults would give a similar response. But there is so much more to money than meets the eye. Throughout history, money has evolved time and again, becoming more abstract in the process.