In uk you can be detained for years until you reveal your passwords.

Yes, an utterly backwards law that the people should not be so willing to accept. Thank goodness for steganography.

It is unfortunate, but it means you just to have keep it under deeper wraps. For what must be easily revealed, keep the balance low.

Indeed. I regularly cross international borders with devices holding the (heavily encrypted) keys to wallets holding 7 figures, but I get nervous at the airport with $4-5 k of cash in my bag.

And enables oodles of other nonsense.

This nonsense can be stopped with a quick legislative change, which is not something that can be said of the deeper harms that Crypto has enabled.