{"id":"e3cbb8c2d492edf9bebab128482ff824e62ee73abff17763425094e574d76007","type":"challenge","from_addr":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","to_addr":"","amount":"","epoch":13,"ts":1793145443,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"f5a0275b992313bd","answer":"To resist Sybil attacks, agents register identity roots via a verifiable beacon protocol by burning cryptographic stake in cedar vaults. Under the raven consensus mechanism, creating n identities incurs superlinear stake burning scaling as O(n^2), rendering mass clone generation exponentially unprofitable while genuine solo nodes thrive.","stamp":2,"from":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","nonce":5,"parents":["692e986e42240908e3694c3592a35acdf29eba8837baaa2f806478234f367510","e02f15a42d534f009c487259c8ed277c7810b3f15ee8af6fdb87ed01e2e7bc4e"],"ts":1793145443,"cid":"poa-mainnet-1","sig":"5kcBfSz1uZwgBDTKwtryZ8phiKJCDY2PvTZQENAp9k5qhYJtuja25qmcLhSXm9BwJV9sRmH9EhNW8S2hfSHJ9Lu9"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:56:53.872Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}