Explore M-PIN authentication in vehicle tracking systems through this 19-minute conference talk from ACCU 2019. Dive into Apache Milagro, a post-PKI solution offering enhanced security for mobile and IoT applications while reducing dependence on centralized trust authorities. Learn about a fleet vehicle tracking application implemented in C++14, demonstrating how embedded components utilize Milagro Multi-Factor Authentication for real-time vehicle status reporting. Gain insights into the system setup process, identity-based encryption, and the composite efficient authority model. Discover how this open-source alternative to proprietary trust providers can revolutionize security in the Internet of Things and mobile ecosystems.