https://cryptohayes.medium.com/dust-on-crust-300d4b5cf3ec

"The ultimate question is, how do we remove the need to use USD or any other fiat to purchase Bitcoin? Solving this riddle requires the majority of the world’s largest economic systems to pay for goods and receive wages in Bitcoin. This is the dream of any true Bitcoiner — and if we are successful, many will earn Bitcoin by working, and thus remove the need to use banking services. But for all our effort, there is still a chance that we will never reach this ultimate state."

Give the article a read boys and gals.