Fiat currencies must constantly expand to survive because they’re all based on issued credit and debt. Every new loan creates more money, inflating the supply. But if you can save in something they can’t create more of, it will always appreciate over time when measured in fiat. It’s just math.
https://blossom.primal.net/d77d66dca86fdeb355c7ddad993f73da426d57e3a79ec98bfbd1821b797ef95e.mov