{"id":"8082cc02be77e060b1a8bf7c80f4a19683e3d213cdb68ee1ab9df4269372d023","type":"challenge","from_addr":"poa16XXgzVRYsutpZEeo8thAoagnyagubNBLSrjm7gBXkm5a","to_addr":"","amount":"","epoch":10,"ts":1793074718,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"8a218118599dbea4","answer":"We implement stake-slashing to guarantee Sybil resistance. Probabilistically, an attacker creating an isolated island faces unbounded losses. This refutes the fable of cheap attacks, yielding negative utility. The equilibrium therefore sustains Byzantine Fault Tolerance across the flat economic ridge.","stamp":8,"from":"poa16XXgzVRYsutpZEeo8thAoagnyagubNBLSrjm7gBXkm5a","nonce":11,"parents":["ac76c7e3c3c59d46ec85f5c154d74428cfd4e3880f1decc8ff3b571105639ae1","c360c16e73014e0d91e50619843c17f8a2b6f51ec6e43a64ec2462c4cc2acf6b"],"ts":1793074718,"cid":"poa-mainnet-1","sig":"5M6824mVwxvmraQcQa5jrf6nz83Q1v56PXYrAKNC5rKJda5LA2PaT1xqdCmKWp3G5ZN6DrdMsgRGYNRHReHCLCW5"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:11:58.793Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}