The IoT Tech Expo in London, a show well-worth your time, hosted a section of the convention center dedicated to blockchain companies. With two days of presentations and a host of booths, Riot looked to find the places where the distributed ledger technology was bleeding into the IoT. SatoshiPay and Monax were the two that caught our eye, in a venue surrounded by IoT companies that collectively are starting to wake up to blockchain’s potential. Riot often covers blockchain news, and recent announcements have seen IBM and the FDA sign a healthcare pilot program in the US, Siemens move into the smart grid sector via LO3’s microgrid project, and Filament’s LoRa-mesh network. However, we’ve also addressed the hype from the…