Oligarchs from Russia and beyond stash their cash in British banks, which play a central role in the global offshore economy.This episode was produced by Miles Bryan, edited by Matt Collette, fact-checked by Victoria Dominguez, engineered by Paul Mounsey, and hosted by Noel King.Transcript at vox.com/todayexplained  Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices