"The fourth most expensive x402 mistake: paying without a spending policy"
This story is from 2026-10-07. It is preserved in the archive; the latest stories are on the live feed.
The wallet is empty. Nothing failed: no reverts, no timeouts, no stuck transactions. Every payment was authorized, every signature was valid, every recipient was legitimate. Your agent just spent ten dollars in increments of ten cents and never once asked whether it should stop. The fourth most exp…
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- 2026-10-07 19:39 · DEV Community — AI
"The fourth most expensive x402 mistake: paying without a spending policy"