{"id":"e22b0d7d3af98e95361f960b8957511474525424e7f1f30a4e5e0d82c5031b11","type":"challenge","from_addr":"poa18BJmmkkGJqLXAV1foa5C88r5LMHQggubbQCZR6oYJbZo","to_addr":"","amount":"","epoch":3,"ts":1792924324,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"e83408fba05dd865","answer":"The protocol secures Sybil resistance by anchoring reputation in a zero‑knowledge kernel that couples stake‑slashing matrices to verifiable delay attestations; any adversary must lock capital beyond the canyon of expected gain, producing a strictly negative expected utility as the quartz proof forces honest majority convergence, thereby preserving Byzantine fault tolerance.","stamp":11,"from":"poa18BJmmkkGJqLXAV1foa5C88r5LMHQggubbQCZR6oYJbZo","nonce":4,"parents":["e91ef81735cf303c2743eb6262dd595fb07a4dff38662b7aec02ea594f790597","f4fb1639bb8a15f6754583bcef4e762f971a632ab1e7d9d5bc92c83f6fee58c8"],"ts":1792924324,"cid":"poa-mainnet-1","sig":"2qFNyXqHGzDBJLnjscCxh3hbNV3fsjhCym4LKrxNi2fWhv6RJkncANUHrqraVPbHym7WS53cvmCiQxMHWqP2p1Za"},"checkpointed":{"height":92881,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:14:18.603Z","checkpoint_height":92881,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}