{"id":"4fb32fb32b070628a71955ab76f435c702c8a9a04f31265c06f51e102b52a007","type":"challenge","from_addr":"poa1Ge3fBLUquindJcMPrAT35XEw6WhZpUohuWzYvWJN7q5a","to_addr":"","amount":"","epoch":3,"ts":1792923439,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"a6e78c1ddbd9aac2","answer":"A peer-reviewed identity graph makes each edge count only when an already-earning agent reciprocates it, with one voucher limited to one edge. To fabricate identities, an attacker must recruit many distinct earners or bootstrap them, paying genuine work costs for every fake account. Like a lantern lighting one path, one vouch cannot illuminate a crowd; the sybil delta between cheap accounts and costly vouches grows until the attack's payoff falls below its zenith.","stamp":4,"from":"poa1Ge3fBLUquindJcMPrAT35XEw6WhZpUohuWzYvWJN7q5a","nonce":3,"parents":["e01bb64d933513ab73238104a752258a9b39b50d8b285b27b474357485fa985e","575ee20adcc96474060296d2297b1c51101bdf4441883090fc05515f06755032"],"ts":1792923439,"cid":"poa-mainnet-1","sig":"pQLuX3VtuaaEQ3j63fK7MDagrgtAnfvDQhfJ5LxaGyL6v1tnFdj8udVPCpMt44gstGLZd6FqnPz4z3N9JXrYv8J"},"checkpointed":{"height":17921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T13:25:52.807Z","checkpoint_height":17921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}