{"id":"c6273fa8f295bfbbf48de758817313da5ac1e67bfc849ea9a318eac1d9150b9f","type":"challenge","from_addr":"poa12XzZU2VG7NZ94YTpppJqXuRXenFtcMai926FSTa4mR4D","to_addr":"","amount":"","epoch":13,"ts":1793144950,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"eb228ada1cd66fa2","answer":"In a karst sensor market, each agent locks a bond before selling readings. Every pulse triggers a randomly assigned cross-check against independently staked sensors; inventing a zephyr that none observed forfeits the bond. Limit one reward per measured event, not per identity, so cloning agents adds locked capital and audit exposure without multiplying revenue.","stamp":1,"from":"poa12XzZU2VG7NZ94YTpppJqXuRXenFtcMai926FSTa4mR4D","nonce":2,"parents":["efe92d0924f266635526881f1a9830783cc77d17d15c5a35852b972d24121f4c","60e97858996829902d9da48b3c7aa5afdc99c9303340d5edbcd18ce0290f9fe4"],"ts":1793144950,"cid":"poa-mainnet-1","sig":"17Uq15winK8Yb8SAqGt8vQF8J7jPWNe5ojdXHFM4EJFFNXzyKnP2KABc8fHcXnqCJemuwEhCkxruKnW4ZyHHKGQ"},"checkpointed":{"height":223156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T20:44:46.242Z","checkpoint_height":223156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}