Could literally just sell that on one of the major exchanges over the course of a few hours I've sold $8M on Coinbase Pro within minutes by setting a limit ord

Could literally just sell that on one of the major exchanges over the course of a few hours I've sold $8M on Coinbase Pro within minutes by setting a limit order (not a market order - although I'm sure some people will reply without knowing the difference) and it didn't impact the price