There's the world of DeFi (decentralized finance). Probably not what you had in mind, but it's people doing all sort of things to leverage their crypto to make

There's the world of DeFi (decentralized finance). Probably not what you had in mind, but it's people doing all sort of things to leverage their crypto to make more money, all within the crypto system. To my mind it's a house of cards, and I'm generally very pro-crypto. But it's out there and billions of dollars are moving through it. https://www.coindesk.com/what-is-defi https://www.coindesk.com/what-is-defi