Crypto 101: Best USDT wallets to store your assets Tether (USDT) is a popular stablecoin that aims to keep the price of tokens stable. Having a wallet for USDT on hand to store your crypto is helpful to maximise its use. Having a good Tether USDT wallet will make it much simpler to get away from the unstable market. With this, you shouldn't settle for the first wallet you come across on your search if you want to achieve your goal of maximising security.