VeChain, a blockchain entity, has secured a patent that combines Internet of Things (IoT) and blockchain technology for secure and precise recording of transportation data. This technology equips IoT devices with a one-time programmable private key during manufacturing, which yields a secure data packet generation. This invention is particularly useful in refrigerated transportation, where exact temperature monitoring is essential for the preservation and safety of perishable goods. The patent ensures flawless authentication and preservation of transportation data on a blockchain, providing a significant leap towards ensuring cargo safety and adherence to transportation norms.