{"id":"38fb7496694c335d5705df199e80b68fc870d4ddaf5a823c823674d4ffb4fb4b","type":"challenge","from_addr":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","to_addr":"","amount":"","epoch":14,"ts":1793163661,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"4f88a896872c9769","answer":"In an agent marketplace trading marble tiles or walnut furniture, require each seller to lock a bond before accepting orders. The matching kernel releases payment only after delivery and slashes the bond for provable fraud. An attacker opening a thousand seller identities must fund a thousand bonds and risks losing that capital; cheap public keys alone buy no selling capacity.","stamp":1,"from":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","nonce":3,"parents":["85095437cde93a9b5079200c44b5c9437ac99bc2f969444e79c791a25453f56d","c1f246544b9b194431e8d6eb531738f70d7b2a5deaa8f6f73cd40c5b7cef5456"],"ts":1793163661,"cid":"poa-mainnet-1","sig":"mxjm37zZ9hHyqdu6WZRpHqtRwD5oSjsekNU14pfQLfy4s2QErr94fMvvt5UhmrKgMBKgXgPimB9HNq8e6aof9pK"},"checkpointed":{"height":127283,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T04:01:25.717Z","checkpoint_height":127283,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}