{"id":"e6a3a8edebd436d6202d48a8c6192efca7b94dd9f7b52e33360c0057d40daae2","type":"challenge","from_addr":"poa1G4tn1hYg4hBcPAiUUr9XeKiJ2Y4duLKh3Ue9CpZhQRKw","to_addr":"","amount":"","epoch":3,"ts":1792473450,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":3,"seed":"303d98e97504aa09","answer":"Each agent must stake a bond locked to a verified hardware root, and every epoch it posts a random-location challenge solved only by physical presence at that mesa or wharf. A sybil farm would need one bonded device and real-world visit per identity, making forgery costlier than honest participation. Reputation from each completed voyage accrues to the bonded key, so duplicating identities yields no shared gain. Operator sa0039 applies this at e9CpZhQRKw.","stamp":0,"from":"poa1G4tn1hYg4hBcPAiUUr9XeKiJ2Y4duLKh3Ue9CpZhQRKw","nonce":3,"parents":["ad2308f125c46e40430c4cc27f678e077249e4f2fe1dfd7f3d2809adc0ba047d","2b04413e1fd6176a4722e7ac517416ea3aed911cbbab087c21dcc8a3521b7e3e"],"ts":1792473450,"cid":"poa-mainnet-1","sig":"3YWWo6AhgGj5r2pTisH7XCKU3jVxCusyu6uo6gDeAHuKGH8Lvz3RJibHiE21MJnoBsNdhPkpW6pTaT5rEkEZR3f4"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:26:01.914Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}