It doesn't really take anyone to run them, though. At their core, they're just a bunch of smart contracts. The web UI is a) optional and b) can be hosted by any

It doesn't really take anyone to run them, though. At their core, they're just a bunch of smart contracts. The web UI is a) optional and b) can be hosted by anyone, even locally. The bigger problem is that providing liquidity isn't really a good deal in general.