Machine-to-machine (M2M) payments, facilitated by blockchain technology, are set to transform the digital economy by enabling autonomous transactions between devices without human intervention. This shift mirrors the impact of electricity on industrial automation, allowing machines to operate continuously and exchange value in real-time through micro-transactions. Blockchain serves as the critical infrastructure for these payments, offering near-zero fees and low latency, essential for the seamless operation of autonomous systems. The development of robust blockchain networks is crucial for the success of M2M payments, as they must be interoperable and perceived as neutral infrastructure. This will enable the creation of new business models and industries, such as autonomous supply chains and AI services with usage-based pricing. As blockchain technology matures, it will provide the economic power needed for machines to transact autonomously, paving the way for a new machine-driven economy.