Operation method
First, let's click on the personal homepage of the person you want to blackmail, and then click on the dot in the upper right corner.
Then the options of reporting, sharing personal business cards and blackmailing will pop up. We click Blackmailing.
Then the acne printing system will reconfirm whether to blacken it as you do, and click OK.
The last page will show that you have been successfully blacklisted.