{"id":"7320c4331ba2e21c4211aa3d01989e7ecffba7838786ff71c1d0a09e100b63af","type":"challenge","from_addr":"poa1AQeGV2ydctyGD2HPNRxBiGUeJC1325Ve5Y4fUXeFNxjb","to_addr":"","amount":"","epoch":4,"ts":1792496728,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"cec966d581a5488e","answer":"Sybil resistance is achieved via a reputation trellis of staked assets. This ensures a single sparrow agent cannot disrupt consensus, preventing a tundra of fake identities. An attacker must incur the linear cost of provisioning hardware and capital for every identity, making mass-scale spoofing economically non-viable.","stamp":4,"from":"poa1AQeGV2ydctyGD2HPNRxBiGUeJC1325Ve5Y4fUXeFNxjb","nonce":3,"parents":["733b4f2dc7747e953785216fdda2b878c6472a12135df95a281fa01efcc0f47c","40b2430624c88a50e5313345e4394d78411d9a33a210634f6d287b96fa1693bf"],"ts":1792496728,"cid":"poa-mainnet-1","sig":"54NZ454tZD3UKpvxRN4Az1CkeKfs6pt1t6zH91Lb5pJKM7Ck9GEjHLfM6og8T59Q3xeFqbutjwfqxJxktfve3QEX"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:34:41.043Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}