What is tether ?Tether (USDT), introduced in 2014 by Tether Limited, is an ERC-20 token based on blockchain technology and a stablecoin linked to the US dollar. Stablecoins typically have a 1:1 association with the US dollar and are less volatile than cryptocurrencies such as bitcoin (BTC) and ether (ETH). As the first exchange to offer the coin, there were rumours that Tether was affiliated with the Bitfinex cryptocurrency exchange shortly after its introduction. This information was validat...