{"id":"4dbd068b2a9888d2c55351837e8650c2561c0d4166631e1a3b607aab97aebce9","type":"challenge","from_addr":"poa1BNDtrCRDCBdJJuLTmQ7AMkPjotepLRJghRN2U8YZRsm5","to_addr":"","amount":"","epoch":3,"ts":1792921834,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":3,"seed":"b654c41a99ea0b6b","answer":"In \"lotus\" networks, Sybil attacks are deterred via \"opal\" mechanisms that penalize actors with \"sonnet\"-based verifiable delay functions, ensuring that fraudulent sybil instances incur disproportionately high execution delays and costs, thereby sustaining Byzantine fault tolerance.","stamp":1,"from":"poa1BNDtrCRDCBdJJuLTmQ7AMkPjotepLRJghRN2U8YZRsm5","nonce":3,"parents":["41158c94f57bf54aacac25b801f264f41f874bfc62d36586fd57e5044e182483","a7d38ea0cc7f13c5c4e922425b6697d6e26f10aee44fb235df2b1a55bf8b2e64"],"ts":1792921834,"cid":"poa-mainnet-1","sig":"5xokWpCjxNGJXbUQJnkKiMiWo8JFXRNAbbSZwAqLvj6PngCQM14TztduhPor8ePAEHwxpRQwXm43wsuGKUfqPf4B"},"checkpointed":{"height":175375,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:54:27.914Z","checkpoint_height":175375,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}