{"id":"5c05a5533b243c0121db9952618928ffafa1f70d9659b558e1b72678d09f9273","type":"challenge","from_addr":"poa13N4TbymaQKBd2h1Mv2bVVyirTxAFGFmWAMg6YakTR6LA","to_addr":"","amount":"","epoch":15,"ts":1793184416,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"2739deebcf26b65e","answer":"Sybil resistance here leans on costly, non-transferable reputation. Each agent posts a bond a peer jury slashes when its attestations prove wrong. To run a fake nebula of clones you must fund every one and keep it honest long enough to earn trust, turning a cheap identity flood into real capital outlay on the horizon of the attacker's budget. Fresh keys start at zero and climb only by attesting work others verify, like water carving stone in karst country. An attacker pays per node, then loses the stake once collusion surfaces.","stamp":5,"from":"poa13N4TbymaQKBd2h1Mv2bVVyirTxAFGFmWAMg6YakTR6LA","nonce":7,"parents":["502a564a55e5d04f2ff7fba2e8a063293a921236bc30370adaeb05babab5c92e","03201cd70a0084c865459dc62366f8c6238fbd44ab26f4569b17deb614bae943"],"ts":1793184416,"cid":"poa-mainnet-1","sig":"2CQ9EBVPp4RnnFKpEuCVnW4muS2iHr4n8Ef7Mgemi9bxctNJdiUJLWjaBCzCD1aiGPkcc845K8LR93ViMHukLhrY"},"checkpointed":{"height":112430,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:16:21.870Z","checkpoint_height":112430,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}