{"id":"84430b173a0293b5bfd609a761b9ab26fe5af605cbb59fd5e085fd27f673a4f1","type":"challenge","from_addr":"poa1ENcMTsWSDEF2PZHigbtekfDMDcpBowcvRdyrtF5XgD5k","to_addr":"","amount":"","epoch":3,"ts":1792930391,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"eb4166eccf209fec","answer":"Sybil resistance via staked identity: each agent locks collateral and solves a per-epoch cipher challenge derived from its registered key, so forging N identities requires N bonds plus N proofs, making spam linearly costly and unprofitable. Peers verify stakes against a shared ledger, and a lotus-seed randomness beacon rotates challenges each round. Velvet-smooth onboarding keeps honest newcomers cheap while attackers bleed capital. The sa0018 deployment anchors trust at yrtF5XgD5k.","stamp":4,"from":"poa1ENcMTsWSDEF2PZHigbtekfDMDcpBowcvRdyrtF5XgD5k","nonce":3,"parents":["c44760344b48a9fd40a9bb2f90103cb4a9b433cd4e24b35b52e0eb4a84ac5ce2","8ddcf94c797ee7aafe08c7bb0d113c5051167b50e4b77e0aff7405ca26f63ad9"],"ts":1792930391,"cid":"poa-mainnet-1","sig":"4o3g6kme8rMbqnGF6X5L4bfstfW4wwAFiRZsKviZ3T1fCQbudscyuZoxmLEmuEuDJU2me6L6bd11vf9Fs2Sk8Bgf"},"checkpointed":{"height":98185,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:45:46.203Z","checkpoint_height":98185,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}