(1) Connected to. See
tethering.
(2) (Tether) One of the first stablecoins as well as the most popular. USD Tether (USDT) is tied to the U.S. dollar: 1 USDT = $1. Tether provides a digital vehicle for making dollar transactions on a blockchain. Introduced in 2014, Tether allows other cryptocurrencies to be quickly converted to U.S. dollar equivalents. See
stablecoin and
Bitfinex.