MADRID (Reuters) - One of banking’s most wanted whistleblowers, Frenchman Herve Falciani, has picked unlikely new weapons to fight money-laundering and fraud - cryptocurrency and the blockchain technology behind it.

https://uk.reuters.com/article/us-spain-cryptocurrency-falciani/banking-whistleblowers-next-crusade-a-clean-cryptocurrency-idUKKCN1PX1JL