PM most likely. At least it would be something they would understand, even if what humans consider precious has no value to them.
BTC maybe assuming the crypto behind it is alien technology proof.
Fiat = monopoly money.
Topic: Bitcoin, Fiat and Aliens! - page 2. (Read 3397 times)
For those skeptical
Those perceived by humans as ''Aliens" have been living around Earth for millions of human years.
They usually perceive humans as "their cattle", so why would they want to do business with their cattle?
They usually perceive humans as "their cattle", so why would they want to do business with their cattle?
humans would be the desired currency 
If Aliens have indeed come to earth, and plan to do business with us, selling goods to us, which currency would they prefer USD, BTC, PM, or what else?
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