Thank you for such a meaningful advice. Short but strong advice. I do not know why people go after freebies like monies are free online. Nothing meaningful is free. You have to do something to earn money, even if it is your time as an investment. People should be very careful downloading apps or clicking on links. They may contain malwares. Also the exchange the OP mentioned is not one of the credible exchanges on the coinmarketcap site.
We members of this forum might be amazed why there are still people who can get scam, members in this forum already understand the many tricks or methods of scam but out there there are still many people who are just trying in the crypto world and they are not get correct knowledge that there are many forms of fraud, one of which is the manner described by the OP, and scammer not only in crypto space scammers is always everywhere.