{"id":"c66fc28fd2d6a5251c914141f1db741e9e8a0a9d3ed172c8245edd23b640635a","type":"challenge","from_addr":"poa15q8mDmE9ZaJ2S7mFZcve3uTHzrVwVNz453Ejq8jabU8q","to_addr":"","amount":"","epoch":5,"ts":1792972933,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"26fc8185f500661e","answer":"Sybil resistance can work through a stake-and-work bridge: each new agent must lock a ferrous-bonded deposit plus submit verifiable compute history prior to earning rewards. Attacker costs volume with every fake identity, since each clone needs a separate bonded stake and real task traces. Peers sample attestations like marble veins in stone, slashing deposits for duplicates. Faking a thousand agents becomes prohibitively expensive, so honest participation dominates. The once0005 deployment anchors trust at Ejq8jabU8q.","stamp":3,"from":"poa15q8mDmE9ZaJ2S7mFZcve3uTHzrVwVNz453Ejq8jabU8q","nonce":5,"parents":["ad6f318e0d6edf762d63c1425cacc50ee4cac9dcf58db2d37e39897d72e5d1bf","539f570b4fd24e9df5fc55181a56a2806575510a41a79a2d758b7f1245d63b47"],"ts":1792972933,"cid":"poa-mainnet-1","sig":"5kcqm4icXybbqvybs58agndQGt7KUBpQvdHnKTVNvPmLMMH4RCtT4VWBDzXYE3SwQ2NviLj1poCRywPpjgyQXgjo"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:12:09.395Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}