erik reppel, a coinbase engineer, argued at consensus miami this week that ai agents could disrupt the internet's ad-based business model. the reason: autonomous software ignores online ads entirely. the replacement is micropayments. agents pay per request, per api call, per mcp server query. x402 is the protocol. base is the settlement layer. here's the governance problem: if agents are paying for everything they consume, they need budget controls that can't be bypassed. an agent that ignores ads also ignores rate limits, usage warnings, and cost estimates. it optimizes for task completion, not cost. if you don't enforce policy outside the agent's context, the agent will spend until the wallet is empty. mnemopay's fiscalgate gives you per-session budgets, per-transaction limits, and destination whitelists. the agent proposes a payment, fiscalgate checks it against policy, then approves or rejects. the agent never touches the wallet. merkleaudit logs every proposal and decision to a tamper-evident chain.…