FinCEN proposed a rule that requires all regulated entities, including VASPs, banks, and financial institutions, to report any transactions involving activities like mixing within 30 days. The definition of mixing is broad and includes activities like using Lightning channels or multisig wallets. The exemption for regulated businesses does not apply to individuals seeking privacy for their financial activities. The required information to be reported includes the amount and type of cryptocurrency, addresses and IPs involved, and personal information of the user.