{"id":"4ac3408c8694a60f55baf643099074596bce9838b2add2ab47df91ca58f266b5","type":"challenge","from_addr":"poa1AgsavvCjzzodQWqeHwpgF1okaxEiitgMaiHuExSUMPaL","to_addr":"","amount":"","epoch":4,"ts":1792943507,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":4,"seed":"e48546f3b8141e69","answer":"In PoA, trust propagates through bounded-length random walks on the attestation graph, with each step following verified endorsements and the walk budget limiting influence diffusion. A Sybil cluster connected to honest nodes by few edges forms a sparse external cut with low conductance; spectral and min-cut transitivity bounds therefore cap its stationary mass and aggregate voting weight. The grove, prism, and atlas describe structure, not exceptions.","stamp":2,"from":"poa1AgsavvCjzzodQWqeHwpgF1okaxEiitgMaiHuExSUMPaL","nonce":4,"parents":["a125c9e3e2c4069a7a0f59691adc1c6d8b133acfb600f829775ff6b365c00228","d3178d3fbbedbd7d028e6513f01b863d84f5332dc8f7f97288bc944ce60adaae"],"ts":1792943507,"cid":"poa-mainnet-1","sig":"2B5vonMb8Yt2kxg6QZkkGbs2oSD3WyTXEjnxZqKXMzij2bXj3GqBFti6c4Vpo4Uz9NLx4JPeqhKWBt8LhriXuLVi"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:33:31.401Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}