> You can even run a permissioned version of it yourself, where you and your 40 permissioned friends mix their transactions for privacy, and everyone knows (through, let's say, off chain trust) that none of them are committing crimes,
Even if you 100% knew that all of the money was legal mixing is money transmission according to the government which means you need to register in every state you operate, register with the federal government, and have a compliance program, or you will get up to 5 years in prison. Hawaladars/various ethnic equivalents especially post 9/11 have learned the rules on money transmission the hard way, even when they literally "know their customers" in a much more real way than banks do. Here's an example where I'm from https://apnews.com/article/yemen-us-news-ap-top-news-mi-stat... - fortunately these guys were spared prison though.
Even if you 100% knew that all of the money was legal mixing is money transmission according to the government which means you need to register in every state you operate, register with the federal government, and have a compliance program, or you will get up to 5 years in prison. Hawaladars/various ethnic equivalents especially post 9/11 have learned the rules on money transmission the hard way, even when they literally "know their customers" in a much more real way than banks do. Here's an example where I'm from https://apnews.com/article/yemen-us-news-ap-top-news-mi-stat... - fortunately these guys were spared prison though.