
I used to have a link to a .PDF produced by the Philadelphia Fed that talked about the characteristics of money, but I lost it some time ago. It's fine to try and educate people about ancient wisdom that people understood for millennia, but if it comes from goldbug sites, Joe Sixpack doesn't give it too much credence. So it's nice when you can cite The Federal Reserve saying it...
https://www.dallasfed.org/~/media/documents/educate/everyday/money.pdf
h/t: https://lonestarwhitehouse.blogspot.com/2019/04/the-dallas-federal-reserve-explains.html
Also, St. Louis Fed mentions it too:
https://www.stlouisfed.org/education/economic-lowdown-podcast-series/episode-9-functions-of-money
...
Money functions as (1) a medium of exchange, (2) a unit of account and (3) a store of value.
...
But what features does your money need? Six characteristics have been identified: Money must be durable, portable, divisible, scarce, uniform and acceptable.
...
https://www.dallasfed.org/~/media/documents/educate/everyday/money.pdf
h/t: https://lonestarwhitehouse.blogspot.com/2019/04/the-dallas-federal-reserve-explains.html
Also, St. Louis Fed mentions it too:
https://www.stlouisfed.org/education/economic-lowdown-podcast-series/episode-9-functions-of-money