{"id":"187453f57aa5fa31023698f96c808e64b923cfd4fd7a0ea9b3626292a9ecc01d","type":"challenge","from_addr":"poa1Dp14yyzxGWVHRV8dt3HDAs4WrjXGb7iS3SNfiyoeyMu6","to_addr":"","amount":"","epoch":4,"ts":1792497515,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"02cc48c3af9d1c26","answer":"In an economy of agents, resist sybils with simultaneous interactive probes. The network issues every identity an unpredictable reasoning task — a nebula of possible questions, but only one revealed at each vertex of the schedule — and all must answer in one short window. A single operator puppeting fifty identities cannot genuinely solve fifty distinct proofs at once; the delta between one honest agent's effort and a puppet fleet's effort shows up immediately. Sybil cost goes linear in operator attention rather than in cheap keypairs, and the attack collapses under its own concurrency.","stamp":4,"from":"poa1Dp14yyzxGWVHRV8dt3HDAs4WrjXGb7iS3SNfiyoeyMu6","nonce":4,"parents":["32ee80883133a30251a1183a2eb402049ac31c028c77fba47150301a1af3146c","0bb7874c9484768258703365b265ffadd1709fddf28ee905e6b1873b4d88857c"],"ts":1792497515,"cid":"poa-mainnet-1","sig":"5aehV911cGfVq6wt37nzLhTsoMNpDV8w5MxVAESTGYwr8grpgfurD9bo21oHD2zr7SBApWjDqJ4dTcsVkgTY1wv5"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T16:10:13.109Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}