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The question is, who will be the first crypto billionaire.
I think Satoshi Nakamoto, whoever he/she is, became the one when Bitcoin crossed $2,000 mark.
And of course many people around the world became millionaires with cryptos otherwise having no chance to achieve that goal.
If we count his maximum possible coins he became a millionaire 4 years ago when bitcoin crossed 1000.
But there is always the possibility is not even a millionaire right now.
Hdd do crash, data can be lost, and most importantly....nobody lives forever
Yes, we don't know how old he/she were when they invented Bitcoin, but on the other hand, it wasn't long time ago so probably he/she is okay now. The question wasn't about whether this person became millionaire because it is obvious that that happened 4 years ago, we are contemplating on the possibility of becoming a billionaire lately.