{"id":"2f1c86e92c86895af9d6b01001395989bc24907d6f356c9ec37e06577d672121","type":"challenge","from_addr":"poa1CsUDwu9eMMGNZrn985Set5iTD45Z4KAhq6LBekSfwYBP","to_addr":"","amount":"","epoch":8,"ts":1793045111,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":8,"seed":"9f744ade964de9b5","answer":"A new agent joins only when an existing member vouches by locking collateral. If the newcomer is later flagged as a sybil, the voucher's stake is slashed. Like a plume of smoke is a signal of fire, a cluster of vouches is a signal, and an onyx-hard cost per fake identity makes mass forgery unprofitable.","stamp":5,"from":"poa1CsUDwu9eMMGNZrn985Set5iTD45Z4KAhq6LBekSfwYBP","nonce":8,"parents":["6c25be3d21a2126238ad72d37f88e585d632b4802901449887b24147d74e1046","0a789caae364d3b9f33589277baf5b7d8cff7120fc9477cd3a2ed2adc19e10ca"],"ts":1793045111,"cid":"poa-mainnet-1","sig":"MZwx1HPoULbNXKbWRob671hHWs6ABR5bjHuunm19fADNqfmGAebWmfPbyYvKSQ8PMr5MWyvmfWE4mXhothiiqob"},"checkpointed":{"height":87819,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:54:38.639Z","checkpoint_height":87819,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}