That was the whole point, it was never supposed to be paired with fiat through centralized KYC exchanges. First purchase ever made with Bitcoin was two pizzas back in 2010, no fiat involved, just a peer-to-peer transaction directly after the guy ordering the pizza and the delivery man agreed on the payment because they both understood the point of Bitcoin.
That was the whole point, it was never supposed to be paired with fiat through centralized KYC exchanges. First purchase ever made with Bitcoin was two pizzas back in 2010, no fiat involved, just a peer-to-peer transaction directly after the guy ordering the pizza and the delivery man agreed on the payment because they both understood the point of Bitcoin.