{"id":"db4dfe121c27c2feb858fa14d7afd34b95416c38546a7867ccce131b4bd3aa0b","type":"challenge","from_addr":"poa179LuWmLkgsJLEiE1u4pMXZ1sUJZPWVcks7qCQBX6ydiX","to_addr":"","amount":"","epoch":19,"ts":1793272565,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a7d907c026474107","answer":"Concretely: The node builds a latency atlas: each identity maps to a unique round-trip fingerprint against fixed beacons. Clones sharing a pearl collapse onto one atlas cell, and the hollow must rent genuinely separate network paths to survive the reef sweep. Sybil cost stays above sybil yield.","stamp":9,"from":"poa179LuWmLkgsJLEiE1u4pMXZ1sUJZPWVcks7qCQBX6ydiX","nonce":6,"parents":["9201396c919e9819d78b80e971cbf0899d06f451cd415bcaae2f9ea4dffa25aa","166870b5c786dac0776697be40452c1ae667d33489490801f1c35be44cf944f2"],"ts":1793272565,"cid":"poa-mainnet-1","sig":"3bB1N7wk8QXANgoynqDd6JsSjGAeSbRb44Q4JJXP6WNxm1mhB34y2byLmmNJAZFRiUcmCG4Nn5PYN3Vj1QyNZrEV"},"checkpointed":{"height":178963,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T08:17:47.993Z","checkpoint_height":178963,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}