The opposite: hard to hide (thanks to blockchain) but also impossible to confiscate (assuming you did it right or don't cave in).
If the purpose of the confiscation is simply to freeze the funds, it seems many agencies can do so. If they're patient enough, they'll eventually catch the owner when the funds move.
If the purpose of the confiscation is simply to freeze the funds, it seems many agencies can do so. If they're patient enough, they'll eventually catch the owner when the funds move.