TA 190 was promice me sell to me scrypt for findind privkey with r,s,z.

This is link to his profile -

https://bitcointalk.org/index.php?action=profile;u=3404717

He get my 800$ and send to me nothing !!!

I ask adminisration fo ask him give me my scrypt, or give me my money back, OR BLOCK THIS USER FOREVER WITH PROVIDING ALL HIS IP ADRESSES AND EMAILS.

THANKS.