These accounts are not interconnected; all financial transactions can be carried out separately. Each of these accounts has its own characteristic and supports a certain currency.
The first account is displayed in Bitcoin. It can be either topped up with BTC without conversion or with another cryptocurrency, converted to BTC at latest rates. Withdrawal is available in any currency.
The second account is displayed in USD. You can top it up with any cryptocurrency, converted to USD at latest rates. Withdrawal is available in any cryptocurrency.
The third account is displayed in Ethereum. Just like with the Bitcoin account, you can top it up with ETH or any other cryptocurrency converted at latest rates. Withdrawal is available in any currency.
All the three accounts have similar characteristics. Simply put, you can top them up, withdraw funds or invest USD, BTC and ETH in crypto loans while earning your daily income.