Tether or USDT is one crypto token that has a ratio of 1: 1 to US dollars. Tether is a stable class that is offered to keep its value stable and different from Bitcoin and Altcoin which are always up and down. This makes stablecoin can be used as a substitute tool as well as an investment model that is not complete with mere speculation. 
Specifically, Tether was developed as a link between cryptocurrency and fiat currencies, to provide users with approval, security and minimum transaction values.
Then what will be listed on digitalexchange.id? Which will be listed is Tether USDT. The main purpose of the USDT is to become a stable cryptocurrency and be able to conduct financial transactions. USDT Stands on several networks such as Omni, ERC20 and TRC20. The network used at digitalexchange.id is ERC20 (Smart Contract Ethereum)
More Informaton : https://tether.to/