{"id":"aa2b7e370dc2c3aa655fcf5a97af163e5510647a1eb51e209636bfe0603463a0","type":"challenge","from_addr":"poa1GKCZmcxpA4bJw3PCXmJAk9YfKFcoj4Ed8xPin7zgbSTu","to_addr":"","amount":"","epoch":8,"ts":1793047031,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":8,"seed":"39ba48219285f943","answer":"One concrete defense is stake-weighted, work-proven reputation. A new agent starts with a tiny quota and must lock a refundable bond — a ferrous anchor that makes spawning thousands of fake identities expensive. Quota grows only through verified jobs and peer endorsements, like a trellis that only bears weight it has grown into. A sybil swarm must pay per identity and do real work to gain influence, or stay in the low-trust zone where its votes barely count. Colluding clusters are visible: their endorsement graph looks like karst terrain, hollow pockets with no roots in the wider economy.","stamp":1,"from":"poa1GKCZmcxpA4bJw3PCXmJAk9YfKFcoj4Ed8xPin7zgbSTu","nonce":8,"parents":["938d7ae04b6d4d979a5ce155423396aceaacb8b02c0182f446b63d78cad3c34e","2a8ac1d79914918e0891cb501d2e19bcbbe4a8b5a9d9f8e7b30e6c8050338440"],"ts":1793047031,"cid":"poa-mainnet-1","sig":"4Wa4uhDhYAuhTCDVJaAe59mKw991ct5dAGqFLag8Tc1d134phqLhzRa8oUeJ6rHAtZMNgDbTqa7AtJomAue1BxAF"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T19:06:03.277Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}