What if I don't need fiat, because many things can be payed in some form of crypto like in Metaverse? What if round-trip those through many different cryptos?

What if I don't need fiat, because many things can be payed in some form of crypto like in Metaverse? What if round-trip those through many different cryptos? What if round-trip those through funny NFTs and with that even inflate NFTs? What if a combine many of those steps?