Let’s imagine a world where time machines are invented.
Hypothetically, what’s stopping anyone from travelling to the past, where the dollar is much more valuable, and buying things at a much lower price? What if you then go back to the present, sell those things at a higher price and repeat the cycle? And wtf would happen if everyone there started doing that?
Ok…but wouldn’t some red flags be raised when you go to withdraw and they say “YOU are the person who opened this account?” “Yes.” “In 1824?” “Yes.”
“Oh it was my grandfather, I got the same name and here is his will.”