You answer:

First, I advise you to read https://techbriefly.com/2023/02/27/protect-yourself-a-comprehensive-guide-to-avoiding-cryptocurrency-scams/#google_vignette . Make sure you do your research on exchange or broker before buying anything. Look for reviews and ratings from other users, and make sure they have good reputation in the community. One thing you can do is to double-check the address you're sending cryptocurrency to. Make sure it's correct address and that it matches the one you intended to send it to. Scammers may try to trick you by providing similar but incorrect address.