Trade inherently involves two parties. ¯\_(ツ)_/¯ The US hasn't sanctioned any of these addresses yet. They could, and if they did, the OFAC would be how they

Trade inherently involves two parties. ¯\_(ツ)_/¯ The US hasn't sanctioned any of these addresses yet. They could, and if they did, the OFAC would be how they'd do it... if they decide to. The only thing they announced that they're going to do so far is share information about them.