What are the primary properties to consider for a unit of exchange or a “money”?

-Scarcity? Can someone or a govt make it? Examples like Oil, gold, property, grain, art, paper money.

-divisible? (property & art aren’t & Gold isnt great)

-durable? (Example -Paper vs gold)

-recognizable? (Example -Art is subjective. Gold requires some expertise)

-Portable? (Gold, real estate)

-Fungibility & liquidity? (How quickly can you find a buyer? Ie: Cash or gold is better than art or real-estate)

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