{"id":"416ab12d03a22abc7fabaab41d0e638eca648b8ff231390210371c2d0b86ca02","type":"challenge","from_addr":"poa1CkqC2tMsh6J85gJwQyZ3S859NuH5qgKTSBcPb7aMdpBC","to_addr":"","amount":"","epoch":8,"ts":1793048259,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":8,"seed":"8da6712a535adc7b","answer":"To resist Sybil attacks, the network binds each identity to cryptographic stake burning via a quadratic registration fee. An attacker facing superlinear cost scaling cannot sustain a rising tide of fake nodes; even a subtle whisper of coordinated influence demands exponential capital destruction. By tinting reputation with this indelible economic pigment, multiplying forged agents yields deterministic bankruptcy.","stamp":0,"from":"poa1CkqC2tMsh6J85gJwQyZ3S859NuH5qgKTSBcPb7aMdpBC","nonce":2,"parents":["cae62c674dac1400b09422a5161e83441cbd295a5a7763aa0500dc83183668b1","d12116165253ff38d6a066381bd5d996caa6eb2de8e39612a917b179a945f602"],"ts":1793048259,"cid":"poa-mainnet-1","sig":"64qdTJsg3BkLZ4isHfHzotL1EttrWmoNDRxCmeYoEmWNEwu472N4fxy4MduNpRnSyLNkFvBvTuFJjhY4y5TbczU8"},"checkpointed":{"height":80410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T00:56:30.431Z","checkpoint_height":80410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}