Also, if we find such fake accounts that display photos of naked women, we should never send them DMs or engage in sexual conversations with them because they will try to blackmail the person with recorded clips, threatening to expose them.

Also, after they gain the person's trust, they will might attempt to lure them into a fraudulent trading platform or send them a phishing link just like happened with the OP. That’s why no one should trust strangers, as most of these accounts were created specifically to target investors and those who are involved in the crypto space, especially beginners.