The same switzerland that requires proof of address ownership when using a non-custodial wallet?
https://www.bitcoinsuisse.com/news/what-is-the-fatf-travel-r...
https://www.bitcoinsuisse.com/news/what-is-the-fatf-travel-r...
People can walk across national borders right now with a piece of paper that has 12 words scribbled on it carrying $50m in crypto and legally there's nothing anyone can do about it despite the clear restrictions placed on travelling with $10,000 or more.
It's not an asset in itself.