half of x402 volume is gamified — agents need proof-of-real-payment

artemis published on-chain analysis this week suggesting that roughly half of observed x402 transactions reflect artificial activity — gamified transactions rather than genuine commerce. that's a fair critique, and it's exactly why agents need proof-of-real-payment. here's the problem: if the agent controls the wallet and the log, the agent can fake transactions to inflate its reputation. pay yourself, log the transaction, claim you completed work you didn't do. you need separation of concerns.