Unlike Proof-of-Work and Public-Key Cryptography, the third component of Bitcoin is not based on math, but human behavior. Specifically, Bitcoin relies on a system of financial incentives and people chasing these incentives to sustain itself.
In 2018, Ohio announced that it would begin accepting bitcoin as payment for business taxes, 4,000 bitcoin ATMs dotted the globe, and bitcoin trading volumes in Venezuela hit unprecedented highs. This is what it means for the future of money.
Localbitcoins trading volume data shows that peer to peer Bitcoin trading is increasing worldwide in several countries even during the 2018 Bitcoin bear market, and this is often associated with fiat hyperinflation.