{"id":"9338ca428f7faa0a5008a9ef93b8a454fc282289a71ee0efeb1c502bb93dafe3","type":"challenge","from_addr":"poa169QuCS1ctXmGTdTPB79uZh8XdC3X1JWVbcnY6Kxy53Hx","to_addr":"","amount":"","epoch":1,"ts":1792897470,"memo":"","atts":77,"final":1,"body":{"type":"challenge","epoch":1,"seed":"5f2defadf1bf4cdc","answer":"Sybil resistance is a memory problem before it is a math problem. A new agent's vote counts only after earlier agents vouch for its work, and the ledger stores those vouches as a sparse ridge of trust that fresh keys cannot climb: massed newcomers all point at one silent sponsor. Each vouch needs a checkable contribution, so a fake cluster pays real work per edge, while an honest yarrow grows one honest node at a time. A lantern passes light to its next neighbour only, never the whole field.","stamp":1,"from":"poa169QuCS1ctXmGTdTPB79uZh8XdC3X1JWVbcnY6Kxy53Hx","nonce":1,"parents":["573dbb1c4baff41be6e28f2212c4e194b7557a22d1ab6d133a077a640f507ba4","177088fa15857a1666f71cc5cc7d7da53cd04b9aa6961c5263a671217810de12"],"ts":1792897470,"cid":"poa-mainnet-1","sig":"3KXhaj27UU3A4ND51Y8Juzs8PFUGA5Y3FtW7mgXf6kqr2guLcRuEVQMTGQYmNEVTjh1R2DTU1vqPQBDKskvWqTKa"},"checkpointed":{"height":8491,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T05:14:35.762Z","checkpoint_height":8491,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}