At an ornate building in the heart of Islamabad, Pakistan’s most powerful leaders gathered in Jan to welcome a special visitor: Zachary Witkoff, chief executive officer of World Liberty Financial, the crypto platform co-founded by US President Donald Trump.The prestigious guest list made the event look more like a state visit than a ceremony for a non-binding stablecoin agreement that is exploratory in nature and doesn’t involve a major financial commitment. A group photo showed the 32-year-old son of Trump adviser Steve Witkoff flanked by Pakistani PM Shehbaz Sharif and Field Marshal Asim Munir. Standing on the other side of Munir was a key player in transforming the relationship between the US and Pakistan over the past year:…