A new hook available on an open-source directory for Uniswap V4 hooks is sparking controversy within the crypto community. The hook enables users to be checked for Know Your Customer (KYC) before they can trade on a pool.
Criticizing the hook, a user at X (formerly Twitter) noted that the hook opens up the possibility of decentralized finance protocols being whitelisted by regulators
Essentially, a hook is a tool that allows developers to customize a code without altering the main structure of the program. In Uniswap V4, this hook will permit developers to use KYC verification within the decentralized finance protocol.