From: Madars Virza Sent: Wednesday, March 28, 2018 2:37 AM To: jeffrey E. Subject: What is Bitcoin? OFAC sanctions view: https://www.treasury.goviresource-center/faqs/Sanctions/Pages/faq_=ompliance.aspavc_faqs chttps:/=www.treasury.goviresource-center/faqs/Sanctions/Pages/faq_compliance.aspxtt=c_faqs> It is interesting that=their treatment of addresses is one-sided: Addres= == "identifier that represents=a potential destination for a digital currency transfer"; can be adde= to their blacklist. But what about *sources? For almost all digital currencies it is true then when receiving a paym=nt you know source address in addition to the destination one. But not all=-- there are currencies where the recipient does not=learn the source address (and thus can't cross-check against any black=ists). 1 EFTA_R1_01616275 EFTA02493146