According to community user Ki's feedback, one of friend.tech's anti-bot monitoring mechanisms is to check the combination of usernames and random numbers, such as ki18707608. Users including woody82343978 have reported that their FT scores this week were judged as zero due to this mechanism. Today, friend.tech posted on X platform, "We have been working hard to reduce robot attacks. Today, we identified and deleted 600,000 accounts identified as robots from the voting distribution in Feed."