What trading pairs are available on your platform? Are there any currencies among them that are available at the same time and paired with the dollar, and paired with the bitcoin?
We've got 70 trading pairs available on our platform, the full list you can check out here (
https://bitexbook.com/en/trading/), click "Choose market" right above the order books. And there are eleven currencies, which are paired with BTC and USD at the same time: ETH, LTC, XRP are among them.