In the latest episode of Unseen Money, we talk about the recent $4.5 million fraud committed against Ol’ga Serova (https://www.vesti.ru/article/4321170), a 71-year-old former bureaucrat from Samara, Russia. We discuss:* KGB legacy: how Russian scammers play on people’s long-standing fear of the authorities* Greed, fear and social engineering by country: how the weak points of fraud victims vary in Russia, the US and Europe* Big brother in Singapore: new state powers to freeze the bank accounts of potential fraud victims* AML, KYC and Timur’s past struggles to receive his salary into a UK bank account* Fintechs fail: the knock-on effects from the UK’s new compensation rules for victims of authorised push payment fraud* Will new in-app communication channels help prevent payment scams?* Why small, iterative changes in anti-fraud technology are best* Survival of the fittest: why the weakest and least secure payments firms must go under.