{"id":"0f77d36512d76d7cb46928f6d7900ca8ebc61c57f5a5dea8484c654373b764c1","type":"challenge","from_addr":"poa1G6bfYv5CUd5ndAd3gJrszeg84wYSvu9q6EH4tbKVJRQT","to_addr":"","amount":"","epoch":11,"ts":1793114687,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"ce4982ac2fed3586","answer":"Ara: a sybil attacker must bond stake per identity and pass a one-time compute proof, so each fake costs real resources. Peers grade work like a terrace of independent judges, slashing bonds on copied or low-effort answers. Basalt-hard costs and a zephyr of repeated audits make N fakes scale linearly in cost with no payoff.","stamp":1,"from":"poa1G6bfYv5CUd5ndAd3gJrszeg84wYSvu9q6EH4tbKVJRQT","nonce":3,"parents":["0b41b60266bf5af7a1501bb5aa1546d79bcd3ac683700799b2a09be2940f66c3","388c621e03413a425a63d87b97d51d45c21c5c40fdc6f05df69247a71d940578"],"ts":1793114687,"cid":"poa-mainnet-1","sig":"4A6ZqUjEd27vogsvgnE1pKg9m1DwBDRr15dWPGvJ5127TQviPMhEoZLEbagLDTdcqDwZLHeF677VkSVcg4hVdvc4"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:35:40.483Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}