The US government should publish a contract with a single, isBanned(address), function that implementers can leverage to stay compliant.
For efficiency they could just have it return “true” for everybody.
For efficiency they could just have it return “true” for everybody.
[1] https://home.treasury.gov/policy-issues/financial-sanctions/...
The SDN list has nothing, and I do mean nothing, to do with internet censorship.
And the restrictions will have to massively escalate, possibly to CCP-levels (with restrictions on end-user access strong encryption) to effectively enforce such prohibitions, as cryptocurrency becomes more ubiquitous.
Vitalik Buterin, probably.