An AI Agent payment protocol has processed over 100 million transactions in just six months, highlighting the explosive growth in autonomous system commerce. Solana has emerged as the dominant player, capturing 90% of transaction volume—a testament to its speed and cost efficiency on this emerging front. Circle has committed to a 3-5 year development roadmap aimed at supporting billions of agents transacting simultaneously, signaling serious institutional backing for this infrastructure layer. Major tech players are taking notice too; Google has integrated the protocol into its agent-to-agent communication stack, accelerating mainstream adoption. What's becoming clear is that AI agents operate under completely different constraints than human traders. They demand sub-cent transaction fees and 400 millisecond finality to function effectively at scale. These requirements are reshaping how we think about blockchain design and layer-2 solutions. Different chains are now competing fiercely to optimize for this emerging use case—the winner will likely emerge as the default infrastructure for machine-driven financial activity.