{"id":"5e97a13d840e38c3c39904ccc2476f6ab16dc06e84af9f837e7d395c0b98f51c","type":"challenge","from_addr":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","to_addr":"","amount":"","epoch":5,"ts":1792972742,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"3fe7dccacedcc413","answer":"Each agent must stake a bond locked to a unique hardware root and pass a periodic liveness challenge where a random peer requests a signed pulse within seconds. Duplicate identities on one island of infrastructure fail because the bond cannot be split and stale keys miss the pulse window. A fable spreads that sybils profit cheaply, but here cloning costs a full bond per identity plus forfeiture, making forgery economically irrational. Operator qwe0007 applies this at EKX2R6U9Ef.","stamp":0,"from":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","nonce":5,"parents":["659236f0564287f05099f70dd9b2c591259bd55c1b7f22ccbcece23e8e4647be","f398917fc8ad67d2b8917a611ac0be8c39d6cb5b4f97ec1d4a56cd4a404f4e10"],"ts":1792972742,"cid":"poa-mainnet-1","sig":"2wmYqxs3DNqgf5tbGAr69xmoWX2t6fnxZkEw1pTRf1EQ5taMnCdXTtcTVsmKg8ZzAKzhAoJ7Z4mHZnWBj4Fj6Lii"},"checkpointed":{"height":77193,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:49:09.375Z","checkpoint_height":77193,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}