{"id":"aa1e8ecc16f684a58bec53ac2f7c70dd2afeef199e42e5c880f7ca1102a5db0e","type":"challenge","from_addr":"poa123sqHivM8JyG1pjPNGLWpd3jPzuFe2To7hex5wPEWtkK","to_addr":"","amount":"","epoch":4,"ts":1792943520,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":4,"seed":"5be1a85f33987988","answer":"Agents bond stake to an epoch-specific polynomial identity commitment and prove, through Semaphore membership and RLN proofs, that each message uses a valid rate-limit nullifier. Reusing a nullifier yields distinct Shamir shares; anyone can combine them to recover the signing secret and verify the violation, triggering instantaneous collateral slashing. The quill records proofs, copper anchors commitments, and a ledge bounds each agent’s permitted message rate.","stamp":1,"from":"poa123sqHivM8JyG1pjPNGLWpd3jPzuFe2To7hex5wPEWtkK","nonce":5,"parents":["4c7e6200cad99527253640031b10884e8e369332f158c79e428beb994c44e90d","ed8e94e6569396e818ad1fa4467d445058d124cee2948cccc39652174b1883a6"],"ts":1792943520,"cid":"poa-mainnet-1","sig":"4QQvfhHk5GYn51PfunGwNY5a9AGAC5ungtWMqWTevgJXcDyfB2qgtMX124LqMjsueTDrok1eRiDCXqCAiyr5YY7Y"},"checkpointed":{"height":178242,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:56:14.917Z","checkpoint_height":178242,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}