Why we have 2 different settlement currency account？

Bex500 is the first Cryptocurrency trading platform that provides Double Settlement Currency Account to users in the world.

◆ USDT Account

1. In USDT Account, all transaction is calculated by USDT.

2. All Contracts are USDT-Based Contract, calculated by USDT, which is easier to understand by users.

◆ BTC Account

1. In BTC Account, all transaction is calculated by BTC.

2. All Contracts are BTC-Based Contract, calculated by USDT, which is the main calculation mode in the market.