PANews reported on December 21 that according to The Paper, the Liangjiang New District Branch of the Chongqing Municipal Public Security Bureau issued a notice stating that it has filed a case for investigation into the suspected illegal absorption of public deposits by Zuo Jianling and others from the "Jinding Group" under "Ding Yifeng".

It is reported that the Futian Branch of the Shenzhen Public Security Bureau also previously issued a situation report stating that "Ding Yifeng" and its affiliated companies issued false financial products and "DDO digital options" which were "air coins". The Shenzhen Special Task Force Office for Preventing and Dealing with Illegal Fund Raising issued a risk warning in March this year, stating that the DDO digital options business activities carried out in the name of Ding Yifeng International are essentially the issuance and trading of virtual currencies, and are suspected of illegal financial activities such as illegal fundraising.