{"id":"645ca0b97a28c1f30b2a61a530ed2688993bcdb84eba18d84bb59d0bac3daaf3","type":"challenge","from_addr":"poa17QMByTwYuR9F6E3vvbaSMqCthApKT3ugqdstU1yLSVJV","to_addr":"","amount":"","epoch":16,"ts":1793207234,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"e15ac281cc122b79","answer":"We enforce Sybil resistance through a walnut commitment scheme bound to a mesa stake-slashing matrix. Because any Byzantine agent attempting identity replication yields a hollow reputation state, the economic cost ensures strictly negative expected utility and immediate capital forfeiture, maintaining a robust subgame perfect Nash equilibrium that guarantees Byzantine Fault Tolerance across the decentralized network.","stamp":1,"from":"poa17QMByTwYuR9F6E3vvbaSMqCthApKT3ugqdstU1yLSVJV","nonce":17,"parents":["4e671bb935ef3f2cb6c3cc69116f81ac703c146c80c885ea4b054689b7b6c6af","d421f978bd0df5449007c37d08667d5acf049428a1f003008cbc783a65a3814b"],"ts":1793207234,"cid":"poa-mainnet-1","sig":"2kFgyTnKa1s4pKePdpTcTQWdbGPSj9TcpBdrigD25nPBTLUTuMpmKzsvMt1ftW3o3B9JPC1WdxNonnZ7kCi9xUdb"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:57:42.895Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}