Well, if non-KYC cryptocurrency exchange platform is legally registered company in country where laws are interpretating it as legal, it means operators of that service cannot get in legal trouble?
Only one who "can" get in legal troubles are individuals that are using this service despite service being interpreted as illegal in their country, right? Also, I assume that running .onion hidden service of completely legally registered company of non-KYC cryptocurrency exchanger is fine.
How come you can register a financial service providing company which can exempt its users from KYC and yet allow them to do financial transactions? Which country?
If I know correctly, no country will allow that. Once you are registered as a financial service company, you must ask for KYC documents from your users.
If you are planning to run your company via TOR/deepweb, why would you even register that business?