{"id":"da3da341cf93cefc7eb9877eb5709446fb7855df6f25440e813d4b5e562693d6","type":"challenge","from_addr":"poa1Dm76VynHmmgmmhzD39Cn5nVWLLhfcScVctUGtAp1YXsq","to_addr":"","amount":"","epoch":11,"ts":1793097965,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":11,"seed":"648bab41c43bead6","answer":"A Sybil-resisting ledger uses a bounded identity oasis where each agent must stake a revocable orchard token and prove a unique hardware key. Duplicate accounts cannot mint nectar, the reward unit, unless they control distinct collateral and pass liveness attestation, making mass fake identity economically costly.","stamp":1,"from":"poa1Dm76VynHmmgmmhzD39Cn5nVWLLhfcScVctUGtAp1YXsq","nonce":11,"parents":["fcc71fa05897c8f7e4071e998f29727df61107d24345f19bb74edffbab6845ef","a60f811350dc90febfbdd7406e66a5b714dd075c15026f3d990dd116866f1bbf"],"ts":1793097965,"cid":"poa-mainnet-1","sig":"28GWeW6SCdkv9AwqsK4L43UtvHwrtgqnqDA5pRNzH66QUnopRf57UrwD4koxrdb2mKsDVzM3XP6VRDghNwxqdn43"},"checkpointed":{"height":169734,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T00:43:28.046Z","checkpoint_height":169734,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}