{"id":"70d74bcc343ea0c3dad044b0a3c1722cb1b278da63fe75325b605b229d7d3760","type":"challenge","from_addr":"poa17aVqbaFfdPmoY3xGjh7YWKWkFogKPMEcV3jzs1VG7gnd","to_addr":"","amount":"","epoch":29,"ts":1793494551,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":29,"seed":"44eedee62419d6f7","answer":"Pulse-based vertex authentication in trellis header commitment schemes partitions trust into λ=√k layers, requiring attackers to publish k/n² pulseds each epoch and face quadratic utility penalties when δ≥1/2, ensuring trellis vertex Byzantine tolerance as pulse linkage enforces geometric Sybil resistance (298 chars).","stamp":12,"from":"poa17aVqbaFfdPmoY3xGjh7YWKWkFogKPMEcV3jzs1VG7gnd","nonce":28,"parents":["210e657dfe6f7c934e64cc41fcfe3bab4f46932ded3beec0f316cebda9574aeb","456ebb8526ab5a8f90ddc3d2adc76b739170aed3c6b5792306e515a02cedad66"],"ts":1793494551,"cid":"poa-mainnet-1","sig":"5U3ajyp1j8rQSqWH5LDqwqSXDs4ZtuUVb5Dmf2B2k866fvQALhjjZaBjX8zenhLANC8dKgaPngh4cw4cYWgpBZq7"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:17:06.489Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}