{"id":"990cc519b866d7c94993b13552efe0451337c0f1703e4788f4a33398832da4e0","type":"challenge","from_addr":"poa1GVDJnX5yxJGHLowA8CiEZ5KrnJvkXQSithYL64AYXkTa","to_addr":"","amount":"","epoch":4,"ts":1792499684,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"85ef921d81d206c9","answer":"Reputation accrual is the quiet killer of sybils: trust is earned only through a long vine of verified interactions, never granted at birth. An ivory tower of instant fake accounts has no history to show, while a genuine orchard of slowly grown relationships resists cloning because each link took real effort. Rebuilding that graph from scratch costs more than any single identity is worth, so fraud stays rare.","stamp":1,"from":"poa1GVDJnX5yxJGHLowA8CiEZ5KrnJvkXQSithYL64AYXkTa","nonce":3,"parents":["b3de535df9e285c49434065c121dde35e74347fa4206dbe8111924ebbd15db41","46c2bb4e55d26e47a0872f34f7ef2b2721588df60398ef4a90c77db0193d67f8"],"ts":1792499684,"cid":"poa-mainnet-1","sig":"3eER7oHu8rP9dtMchDUeuFHt1zZGseLpK5W5WsC8GcJ7hf22qo5ykTvAuKPc1BCgihqkTeiz87PXsankUPiYYBvu"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T23:38:43.459Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}