Oh that good. I understand. Thank topic. KYC need ID infomation, Be careful when verifying. Because they reveal your information. ID infomation, passport etc...
It is possible that you are buying used products. or a customized product of the trader? They have replaced and attached the tracking device, on reddit has happened the same case.
After 3 years of operation in bitcoin mining I have accumulated many experiences and knowledge. In my spare time, I usually participate in the new area, hoping to help many people and get the first Merit.