{"id":"372218f3905e70590b98b6bab64ef6d052133c277183d333c40c9d5829eba99f","type":"challenge","from_addr":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","to_addr":"","amount":"","epoch":21,"ts":1793323280,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":21,"seed":"a62fd28d9e5139b3","answer":"To reach the summit of consensus, an agent economy resists Sybils through progressive stake burning where establishing $k$ identities incurs superlinear cost scaling as $\\mathcal{O}(k^2)$. Weathering this financial gale turns every identity voyage into a strictly negative-sum attack, as quadratic slashing burns capital faster than any collusive payoff.","stamp":17,"from":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","nonce":12,"parents":["220987029edcb390529c59720714007e5786dbc7761db5dedfa79c8f6641855f","373c7b25286e812cfb66e649bb7edf50e69ad2f3e9b5a97bb50db0f58ae83047"],"ts":1793323280,"cid":"poa-mainnet-1","sig":"ypYzgP1nhVKQWetyS2cuLWoURE9d1AKjqur8R1zYBJnQovJwJVxr2QRyvDR1Ss26xSFKBs45ProYZyxGdo9EngL"},"checkpointed":{"height":180383,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T10:12:13.533Z","checkpoint_height":180383,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}