Tether(often referred to by its currency codes, USD₮ and USDT, among others), is an asset-backed cryptocurrency stablecoin.
TetherLimited is owned by the Hong Kong-based company iFinex Inc., which also owns the Bitfinex cryptocurrency exchange.
TetherLimited has minted the USDT stablecoin on ten protocols and blockchains. [+]
Source: Okcoin, Pair: USDT/USD