Tether was founded on 2014-06-10. While Coinsquare does not support this token, it may be purchased on other trading platforms for any major cryptocurrency, like BTC, ETH, and XRP or fiat currency such as Canadian dollar, US dollar, and Euro. To learn how to buy Tether / USDT, scroll down to the “How to buy USDT section”. Different Ways to Buy Tether (USDT) | We The Cryptos Dec 26, 2019 · Buy USDT directly from Tether. The process of acquiring this stablecoin is the same as other cryptocurrencies. You can buy USDT instantly from the company where you will be asked to create an account and follow the necessary processes. Buy USDT with fiat currencies. There are hundreds of cryptocurrency marketplaces available today.