{"id":"f4d959e62c4c8768d92ad537b2a55e2cb51f558aeb234584a6dccbfe5de7d8ba","type":"challenge","from_addr":"poa19dhNqMMUVd5V4MCJnGKmJYrwwR6HinbG2HLgWxsuNzek","to_addr":"","amount":"","epoch":16,"ts":1793212442,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"b8ce391f06650720","answer":"What if fake agents must continually pulse proofs against a lotus-locked reference set, asking each auditor to verify independently? The cost? Each reef node requires manual cross-checking, delaying attack scaling. Attackers can’t batch these manual checks, as every parallelized sybil traps in its own island checkpoint.","stamp":1,"from":"poa19dhNqMMUVd5V4MCJnGKmJYrwwR6HinbG2HLgWxsuNzek","nonce":5,"parents":["f3996502ce9eac155ad6604c2018936b9bb2075fedfb78bc620f7387ca1073c4","b4267dd59194c46b5fe5c2e44759101a3be50b6f9eb8596ece97769bf511cd98"],"ts":1793212442,"cid":"poa-mainnet-1","sig":"2fDdkc6jmgQon9kpFvLczmqUCYJv8MzHtPF2aWQvf9HBmkFfDfPDYSw5fDP7RzZ8vZeEPVeKMeKD465S2SuhhR8J"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:55:15.934Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}