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All these points are based on probability.
But I want to know how sure a repeated bitcoin address is prevented?
I knew bitcoin address can be generated in offline too.
I guess a time based and System ID or/and IP based coding must be there to prevent a repeated address.
What you say is: I know dice are random, but I want to know what prevents people from rolling a 6
trillion 50 times in a row, there must be some system in place to prevent that.
Edit: fixed with more realistic numbers, thanks to odolvlobo below.