I do not know how much gold is in the earth’s crust or in passing asteroids, but I do know how many Bitcoin there are: 21 million.
https://aidaily.co.uk/articles/artificial-intelligence-and-s...
https://aidaily.co.uk/articles/artificial-intelligence-and-s...
Also, we can talk about this again in 30 years or so when we actually have mining products return from space, how much do you want to bet that Bitcoin is still relevant in 30 years?