Nice thread. Looking forward to follow.
Moreover, KYC is not required everywhere, so one can choose a place where it's not enforced.
Where there is a central operator, there is the risk of government intervention and erosion of sovereignty .
It is not a risk. It is a certainty. State intervention is guaranteed. Government will protect its Westphalian sovereignty from any self-sovereign on its territory. It will always corrupt a central operator. And some, such as the US, will use long-arm legislation and sanctions to extend their sovereign power beyond their borders.