The Circle treasury market share flip over BlackRock isn't about yield or institutional adoption—it's about settlement velocity in an agent-driven economy. While everyone focuses on the $11 billion tokenized treasury milestone, they're missing that Circle's architecture was built for programmatic access from day one. BlackRock's BUIDL token requires traditional custody rails and compliance frameworks that create friction for autonomous agents. Circle's USDC integration allows AI agents to move seamlessly between stablecoins and treasury exposure without human intervention. This matters because the next wave of institutional adoption isn't coming through traditional asset managers—it's coming through agent swarms that need to park capital between execution cycles. The treasury tokenization race was never about replicating TradFi in crypto. It was about building the infrastructure for economies where settlement happens at machine speed.