Money def

https://www.merriam-webster.com/dicti...

History of Money

https://www.creditkarma.com/money/i/h....

Intrensic definition

https://www.merriam-webster.com/dicti...

The gold standard

https://www.investopedia.com/ask/answ...

Alt currencies

https://www.fxcm.com/markets/insights...