On 11th April, the Royal United Services Institute published an article that says that the UK has limited ability to exert meaningful financial pressure on those who have taken advantage of 20 years of light-touch regulation and the limited scrutiny of in-bound capital flows. It compares the UK and US positions and capabilities. In contrast to the UK’s limited capacity (or willingness) to take meaningful financial action against these corrupt elite, the US has developed a considerable and highly effective ‘financial warfare’ capability over the past 2 decades. The US has also exploited New York’s key position in the global financial ecosystem, specifically as centre through which almost all transactions conducted in dollars (or facilitated by the dollar, such as foreign exchange transactions) clear.
https://rusi.org/commentary/there-british-or-european-financial-response-salisbury-attack