Where is the money coming from

[yazher]

Also, some exchanges continue developing their service and features due to the fact they wanted their coins to be used on their exchanges. So that it will continue to be liquidated and its price will also increase. Also, they're getting partnerships with other exchanges as well, to continue to promote their products, and with that, they will have no problem earning money. For example Okex, Binance, and others that are like them.