We have here (in Bitcointalk) very often talked about the possibility that Bitcoin will achieve 100% public acceptance
No money on earth has full acceptance or 100% acceptance not even Gold or the US dollar.
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I found it out comprehending what you are saying TBH
Bitcoin going to $1 on what basis?
What went wrong?
The possibility or probability of Bitcoin experiencing such is lower than the probability of it crossing $1 million dollar.
It's already noticed by the world and would only take a fault that would affect it in a consensus level
To really harm Bitcoin.