Have you heard of all that virtual currency called cryptocurrency?  There seems to be a new one everyday! It started with Bitcoin in 2009, and in 2021 according to Investopedia * there are more than 4000. Below is a list of the five that seem to be more publically known. 

Bitcoin (launched 2009)Litecoin ( launched 2011)Dogecoin (launched 2013)Monero (2014)Ethereum (launched 2015)

Cryptocurrency transactions and verification involve complex calculations using a lot of computer power.  People can al...