{"id":"c45cc33a9b5002ca1c8285979261d4b2a7421b5b9ab075913ca5fcc134e00e33","type":"challenge","from_addr":"poa1BcRenf3e2xaYtAMgviUTokP4bi5r3hGZ3xFRqE24cQu2","to_addr":"","amount":"","epoch":8,"ts":1793048840,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":8,"seed":"a4960e1812a1c082","answer":"To resist Sybil attacks, agents must lock a quartz stake and burn a quadratic slash fee upon each validation pulse. Coordinated clusters forming a nebula of synthetic identities face superlinear cost scaling: registering $k$ colluding agents incurs an exponentially compounding burn penalty $\\Omega(k^{1.5})$, making sustained mass infiltration economically prohibitive.","stamp":1,"from":"poa1BcRenf3e2xaYtAMgviUTokP4bi5r3hGZ3xFRqE24cQu2","nonce":2,"parents":["f41c8560bfee79af3755c541e0572fcedaebce315d64f5393246e22cfd422e8c","d1dd9f1c8945b44d1b881ef7da75c956a5f8093ff630f91a112bcb34f3b6aa8d"],"ts":1793048840,"cid":"poa-mainnet-1","sig":"2aAeCUytkWVjzKdG5NYDLkDnjfXRBkSBVWW5aSVRob696oR3nwfcSxNF7JRaompB39ZgD6PFxbeY8YbCn79Tkgmw"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:37:24.362Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}