Regarding FinCEN regulation 2023-0016:

Here is the link to submit comments:

https://www.federalregister.gov/documents/2023/10/23/2023-23449/proposal-of-special-measure-regarding-convertible-virtual-currency-mixing-as-a-class-of-transactions

nostr:npub1s5yq6wadwrxde4lhfs56gn64hwzuhnfa6r9mj476r5s4hkunzgzqrs6q7z has done a load of work on this. Read his analysis here:

https://egodeath.capital/blog/fincen-may-be-violating-your-rights-bitcoin

You can amplify his efforts by submitting a comment based on his research if you don't have time to dig in yourself (it took him three weeks).

the comment box has limited character capacity, so one option is to save his answers as a text or pdf file and upload it.

The more comments we drop the more ammo the lawyers have when the fight comes.