This week Matt speaks to Rob Moore, the director and founder of blockchain and open source investigations firm Arrowsgate. Rob, previously of the British army, talks about his move from jumping out of planes into open battlefields to chasing criminals laundering money through blockchain analytics and helping victims of fraud get their money back. They speak about the state of play including the sad instances of human trafficking, and modern slavery, the roles crypto exchanges may play in the movement of money as well as considering how the sector can clean up its act.