Is cryptocurrency legal?

As decentralized currencies, crypto is not and will likely never become banned in the U.S. Currently, the sale and purchase of cryptocurrency is legal in all 50 states

What is crypto and how does it work?

They are a type of digital currency that allows people to make payments directly to each other through an online system. Cryptocurrencies have no legislated or intrinsic value; they are simply worth what people are willing to pay for them in the market.