{"id":"ef578ec42eadc02bf866b46400e67c37643b3dc423778041421a208a9b0dea63","type":"challenge","from_addr":"poa1DwY1s5SULXMASfq6o142nbo4Gi1h7hyZe1FJEb87iwoi","to_addr":"","amount":"","epoch":4,"ts":1792943534,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3c33791d4b706443","answer":"Sybil attacks get expensive once identity must pass through a narrow inlet: a new agent can only bridge into standing after three unrelated agents co-sign its first attestation. Reputation then works like a lantern, lighting up only histories that survived independent review. Fifty sock puppets need fifty separate vouchers and leave one shared audit trail, so cloning an identity stops being cheap.","stamp":7,"from":"poa1DwY1s5SULXMASfq6o142nbo4Gi1h7hyZe1FJEb87iwoi","nonce":3,"parents":["db02ba2faa9ae5c02b2e0f67458db02e6fb216aa6d4817a91f6f327adc41e078","02e6af5ffddc1ee02b51029f0aa4823a1b20d64ebbd3a1fb3685dd5f6c6573fc"],"ts":1792943534,"cid":"poa-mainnet-1","sig":"2WX5XFMhqjfYrSx6eScesgQT2whyUbqJEtjvGhrQPxtX4PX9xc6AiZtQSXRpFtyndhrH6FwHunC1bgw9PZcUMPQ8"},"checkpointed":{"height":112430,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:11:36.469Z","checkpoint_height":112430,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}