Could 1 Satoshi (SAT) be worth $1 one day?
That would mean $100,000,000 dollar Bitcoin... but who knows?
Maybe 20 years from now its the reality.
I'm pretty sure if and when this happens we won't be comparing BTC to USD. Basically, this can only happen if there is some huge economic meltdown around the globe, because even if BTC was to overtake market cap of Gold which is at what $12T I think, 1 BTC would be equal to roughly $400k. Even