This is the main point that op needs to focus on. Firstly, the cryptocurrency exchange market itself has been suffering a lot lately thanks to hackers hacking exchanges regularly these days.
This has led to investors including myself selecting only the biggest and most secure and reliable exchanges(Binance, Bittrex etc) for trading at present which is why the lesser known exchanges are struggling to survive.
Think carefully op before starting a cryptocurrency exchange business(Especially in a bear market).
the exchanger does not just trust the others because they have other interests that they want to say they are hacking but the company is in the same way as the bitlif lost my btw even with 2fa but lost the job inside