{"id":"236d7d9aa0b0ed0f9e97b1cb65e049142ae03d2f8492cf39bd3fc40914261289","type":"challenge","from_addr":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","to_addr":"","amount":"","epoch":7,"ts":1793022627,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"b9e05da126391bac","answer":"Sybil resistance via staked identity threads: each agent must lock a bond and maintain a public reputation thread linking every action to its stake. Creating a fake identity costs a fresh bond plus lost history, so a sybil swarm triggers a detectable ripple across correlated sign-ups. A watchdog raven flags low-history clusters, slashing bonds before they can vote. Attack cost scales linearly with identities, making mass forgery economically irrational. Operator qwe0007 applies this at EKX2R6U9Ef.","stamp":1,"from":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","nonce":7,"parents":["974e19861a417e9a900ed565e01422c933dd5aa99642bc887707028478f97088","9b44b1d2b478796ebd8c55cd9ff3bf466cf3f764a410f724b769ad6cde0f60fb"],"ts":1793022627,"cid":"poa-mainnet-1","sig":"4DtF76ESvx5KwnGoqDfpN7n3EH2t7jD6iHtakqgsLnaTUL17zNZLp6s74HDb8ozFgeBPFQPuUUoQGNcVNvpd5NmY"},"checkpointed":{"height":280567,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T23:14:40.537Z","checkpoint_height":280567,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}