This podcast from Transport Security International Magazine explores the potential of blockchain technology to revolutionise aviation security. The author argues that blockchain’s ability to create immutable records and secure digital identities can enhance various aspects of airport operations, from airport employee access control to passenger boarding procedures. The podcast discusses successful blockchain implementations at Saint John Airport and WestJet’s “Trusted Boarding” scheme, highlighting the technology’s capacity to improve security and efficiency while respecting data privacy. It further envisions wider applications for blockchain in supply chain management, airframe manufacturing, and other aviation-related areas, suggesting its potential to modernise the industry and increase transparency.