Unless the exchange is only crypto-crypto they need cash as well.
> can only come from trading crypto
"trading" is a really broad term. They will get fees from trading, but they will probably also be doing things like providing liquidly to other exchanges and arbitrage (crypto is of course very volatile so arb opportunities are all over the place).
> can only come from trading crypto
"trading" is a really broad term. They will get fees from trading, but they will probably also be doing things like providing liquidly to other exchanges and arbitrage (crypto is of course very volatile so arb opportunities are all over the place).