The NFTX smart contract uses an upgradeable proxy which is controlled by the NFTX Dao (on Aragon). This means that NFTX token holders have the power to change the NFTX smart contract if we reach consensus. Right now all changes require 80% of participating (i.e. voting) tokens to support a proposal in order for it to pass, with the voting period lasting for 24 hours. In the future we will propose decreasing the support threshold and increasing the duration (e.g. 65% support over 5 days), but for now the shorter duration allows our platform to make updates faster, and the 80% threshold helps protect against governance attacks.