Block Reasons :

1 . Level 0 account;
2 . Private profile or inventory after posting a trade;
3 . Extreme low offers;
4 . Scammer;
5 . Troller;
6 . Keylogger spam;
7 . "+rep" Spams;
8 . Asking for giving items.
9 . Invite Spams.
10 . supose "referal links"(if you talk abbout that insta block!)

Good Trades ☺☻ ☻☺