The PROXY swap platform allows users to swap between different token without the need for a centralized exchange, and it is designed to offer a high level of privacy to users by allowing them to conduct transactions without revealing their MetaMask address. The ability to support any token listed on Uniswap is one of the key features of PROXY swap. To use PROXY swap, you need to have a MetaMask wallet. You can access the PROXY swap platform once you have these set up.