Remember, this whole thing about crypto is largely decentralized, thus, there is no single authoritative body in control of the crypto market. Although there are few centralized platforms among crypto, the market is largely influenced by the efforts and influence of the users of crypto. How well sellers and buyers treat the coins on the market affect the performance of the market.
The price crypto largely depends on demand and supply of a particular coin. The law of demand and supply rules the crypto world. Therefore the crypto market is being controlled buy those who sell and buy coins on exchange.