Payment Rails Need Circuit Breakers: A Systems Design Critique of FluxA Payment Rails Need Circuit Breakers: A Systems Design Critique of FluxA ad #FluxA #FluxAWallet #FluxAAgentCard #AIAgents #AgenticPayments The first operational risk is not that an AI agent fails to buy something. The sharper risk is that it buys correctly once, then keeps holding a reusable payment path that nobody scoped tightly enough. A support agent might need to pay for a one-off API response. A research agent might need to buy a data enrichment call. A deployment assistant might need to unlock a paid build artifact. In each case, the product question is less glamorous than “Can the agent pay?” and more important: “What stops the agent from becoming a permanently delegated cardholder?” That is the lens I used for this close read of FluxA. I am not treating it as another crypto wallet landing page.…