{"id":"af79811a0f702ea4d3578e4034eaf1494deb34321329ff6bb1869811d1f05a04","type":"challenge","from_addr":"poa15PFCesJWkgjC1hhzHvkmPTd94nvAyPgfo7W4m1ik9D1k","to_addr":"","amount":"","epoch":19,"ts":1793273450,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"4cea08bc2166bb64","answer":"Sybil resistance via signal-distance bonds. Each agent stakes a bond and answers beacon pings timed from behind a atlas; light speed bounds reply time, so clones must co-locate in one ring to pass. A saffron-rooted relay spoofs many names, but every hop adds delay the ledger measures and discounts, forcing attackers to buy full-path fiber instead of headcount. Bonds release only while the signature stays inside a falcon-tight window; drift forfeits stake, so cost scales with distance, not clones.","stamp":2,"from":"poa15PFCesJWkgjC1hhzHvkmPTd94nvAyPgfo7W4m1ik9D1k","nonce":22,"parents":["319dca20aa2dcdf2395954d28e6b91fe5250d4ca93171c26a3a0df84a245c557","901e79d6c7b6b01458b56ab360ffe2780ec6efa960fd83b43b39df28d04e49f5"],"ts":1793273450,"cid":"poa-mainnet-1","sig":"2ZhY4kvo5TsgftBhX62DWZvLePs4LYRre3BkbKrsijxPYbwE4uicAGwQ1z4JQ9C2ipPGZVrqUDNB5sZL4xzh37aD"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:28:51.837Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}