The usual sextortion BS.

Stated he has hack my computer and wants $750 USD _x000D_ I have looked at you for several months._x000D_ In fact, you have been infected with malicious software through an adult site that you visited._x000D_ If you are not familiar with this, I will explain it._x000D_ The Trojan virus gives me complete access and control over a device._x000D_ That means I also got access to all your contacts._x000D_ I made a video showing how to satisfy yourself on the left half of the screen, and in the right half you see the video you watched._x000D_ With a click of a button, I can send this video to all your email and social networking contacts._x000D_ To prevent this, transfer the amount of 750 USD to my bitcoin address (if you do not know this, search how to buy bitcoin in Google)._x000D_ _x000D_ BTC address: 1EuoNW74xW7c1zbdgFzPFktj5gPTdJPd9c

This is obviously the biggest nonsense, paying with Bitcoin is anonymous so the scammer cannot know who the money came from (there is no sender). The story as described in the mail is therefore incorrect and is not based on truths. blackmail scam