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 cryptocurrency is a decentralized meaning there are many people who are controlling the market or manipulating it because of the decentralized many people can control the market not just only a single person but many persons, maybe the investors, miners, and the bounties.