ChainCatcher news, ABCDE Labs stated on social media that BMAN established the BISS exchange in 2019. Due to the innovative product "buying stocks with cryptocurrency" involving securities trading, BMAN assisted relevant authorities in the investigation at the end of 2019. After a comprehensive investigation lasting 37 days, it ultimately concluded with BISS ceasing operations and BMAN and the team being released without charges.ABCDE Labs stated that the claims in the screenshot alleging BMAN "was imprisoned for securities fraud" and "operated a Ponzi scheme" are malicious fabrications.