The biggest difference between crypto exchanges is that some require you to deposit money, while some "Cryptocurrency Exchange Rates" your money.
If you want to make a deposit, you risk losing more money than using something like a channel where there is only a small window before you switch.
One of the biggest benefits of using exchanges like Changelly is that if the exchange scams someone, it will be announced soon and all deposits will be blocked.
With deposit exchanges, they have a lot of mortgage funds and can eliminate fraud at any time. We are not saying that all deposit exchanges are scams, but only that there is a greater risk when using this type of exchange. Check that the exchange has good customer support and response to support requests. Most exchanges with good support will respond to you in less than 24 hours. Especially when prices are low, support time should be fast! Check that the exchange has been around for a good while and has built a good reputation. Best bitcoin trading platform is one of the stock exchanges. Its owners are anonymous, but it is one of the most reliable exchanges because it has good support, was never hacked and never walked away with customer money. Of course, this can change at any time.
