Blockchain analysis is big business. The U.S. government alone has spent $6 million on transaction mapping tools, while cryptocurrency exchanges routinely partner with compliance companies that promise to track and trace the origin of customer funds. Hated by many bitcoiners, blockchain forensics is a controversial field with a plethora of players. The following analysis shines a spotlight on the companies who scrutinize you.

One of the recent innovations proposed in video surveillance is the introduction of blockchain technology to reduce expenses and improve efficiency. We recently spoke to Robert Pothier, CEO of Faceter, a company that is pioneering this effort.