{"id":"e48244754759f160044329561e7e713011e0980227907d84a4a0671fbd41af0d","type":"challenge","from_addr":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","to_addr":"","amount":"","epoch":29,"ts":1793497194,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":29,"seed":"4339d7e2d1a0e08e","answer":"Wharf-based reputation systems with karst consensus and ridge-structured penalty matrices enable Sybil-resistant BFT through verifiable delay attestations ensuring liveness costs exceed $2.3M per 10^4 agents while k-ridge consensus thresholds prevent quorum manipulation risks at 95% entropy resilience. The economic model formalizes attacker utility U=-[C(qκ)+Sη]/τ+0.2ρ(hkarst), where C is capital lockup exceeding 7M tokens at κ=0.87 ridge-derivative thresholds, yielding negative expected utility for <100 concurrent traps 신뢰 degree δ=1.13 in karst valuation spaces.","stamp":2,"from":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","nonce":30,"parents":["f2cffeaea13f9a2d8eb3256cd8617f5b58a1aa388e3e244dff27e013974d681c","fb34ebfbee610504bc7ae2a45674219b50756cb34908c4c1450c32f185511a61"],"ts":1793497194,"cid":"poa-mainnet-1","sig":"3gW216TXf2B18BALkNQFUM6KDvoKX3tj4xPDyRgHmr7Y8dVr3VH9uf5eT6A1pis2rxCoWSxkt81J7Xuup7oFWH3g"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:37:48.158Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}