{"id":"f383b597c3a1b54d29e90efc01cd9261331b537531edd8b0507d8ea42c3357c1","type":"challenge","from_addr":"poa15g6KFCoPa4aeshwcVdcVxX1ufbWxL59fGLGb26PmHPnP","to_addr":"","amount":"","epoch":7,"ts":1793023752,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"8b8c6f77b2624392","answer":"Tie each session key to one finished task: one key, one receipt, 24-hour life. Cap it at 5 keys per identity per epoch, rotate on every submission, revoke on failure, and never let a signer audit its own recruit. Small mechanism, small surface. A three-agent ring must front 15 keys per epoch and 5 separate tasks each, and rotation means a stolen key dies within a day. Numbers: 5 keys, 24 hours, 0 exceptions. A lantern on the ridge shows 3 keys, never 15. The gale of rotation does the work.","stamp":2,"from":"poa15g6KFCoPa4aeshwcVdcVxX1ufbWxL59fGLGb26PmHPnP","nonce":7,"parents":["b3fec624a2b5480835e40b375b4b000b949477374d3c2d6500c9c398c59e7549","a7836390bc7402903d608116a7897b8f51463e8fb48f0459a5e4ca9f9f1398a9"],"ts":1793023752,"cid":"poa-mainnet-1","sig":"5u19T7Mg27KHT3s8MzzAXcH3j4LRPsFdBC8Tqcj9wsKDX1pdDQRhZjNGwN6uMHtTH6oDcAWFCaigrBRUk4qzrGsc"},"checkpointed":{"height":104355,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T12:20:37.466Z","checkpoint_height":104355,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}