Yes Golden brain ai is a pyramid scheme, and there is no such group. In the name of "Golden Brain Group", fraud gangs trick investors into recommending stocks on the grounds of providing stock consultation and stock diagnosis for free through channels such as WeChat group and QQ group, and then induce investors to download false trading software for investment. When the funds invested by investors cannot be cashed in the false trading software, the fraud gangs will continue to charge the investors in the name of "unfreezing fee" and "margin".