Well the traditional banks have been dealing with exactly this kind of threat for a long time. There's a load of practices that are designed to stop this kind

Well the traditional banks have been dealing with exactly this kind of threat for a long time. There's a load of practices that are designed to stop this kind of problem in that world. Things like :- - Enforced holidays. Frauds are hard to maintain when you're not there to keep cooking the books. - Audit reviews. an independant function with the ability and authority to review key processes - split authority. Key actions need multiple people to complete (statistically fraud incidence drops a lot when you need multiple people involved) - Strong background checking. When I worked at a bank they went back 10 years of employment history and required accounting for any gaps. + credit checking + criminal record checking etc. It's all possible, just quite expensive...