USDT coin is a dollar-based token TetherUSD (hereinafter referred to as USDT) with stable currency, which was introduced by Tether Company. USDT = 1 USD. Users can exchange USD for USDT at any time at 1: 1. The tether company strictly abides by the reserve guarantee of 1: 1, that is, every time it issues 1 USDT tokens, its bank account will be guaranteed by 1 USD. Users can query funds on the tether platform to ensure transparency.

TEDA currency is a kind of virtual currency, which links cryptocurrency with legal tender dollar. Each TEDA coin is symbolically associated with legal tender supported by the government. TEDA currency is a virtual currency deposited in foreign exchange reserve account and supported by legal tender. This method can effectively prevent the price fluctuation of cryptocurrency. Basically, the value of a TEDA currency is equal to $65,438 +0.