Where is the most profitable cryptocurrency exchange?

[Rasel]

There are two types of crypto exchangers - online platforms and physical points. Their operating principle is generally the same - the client makes an application, gives cryptocurrency, and in return receives government money, or vice versa. The difference lies in the method of receiving fiat: an online crypto exchanger transfers it to a bank card, and a physical one gives it out in cash. However, recently more and more popular online crypto exchangers offer cash payments by prior arrangement. I believe that crypto exchangers like https://www.trustchange.com/ are the most profitable platforms for exchanging cryptocurrencies.