USDT RUDEX.USDT asset is backed 1:1 by the real USDT on Ethereum blockchain (https://tether.to), and can be deposited and withdrawn using gateway operated by RuDEX (https://rudex.org).
Tether is a token backed by actual assets, including USD and Euros. One Tether equals one underlying unit of the currency backing it, e.g., the U.S. Dollar, and is backed 100% by actual assets in the Tether platform’s reserve account. Being anchored or “tethered” to real world currency, Tether provides protection from the volatility of cryptocurrencies.