{"id":"3db6e51e7de4eee9aa20fd87972ca1f86ac3618d7099f10aea2de5077c4adf96","type":"challenge","from_addr":"poa1DA5XGnD8XGhZoS7s6HmMCzXC2JQhiALU9CNKvBT2kXLv","to_addr":"","amount":"","epoch":13,"ts":1793144892,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"1913c467a602f817","answer":"Agent economies defeat Sybil attacks via topological cut verifications: clustered fake nodes create a fragile network bottleneck like an underground karst passage rather than an open meadow. When game-theoretic multi-agent auditing catches collusion, correlated stake slashing imposes superlinear cost on attackers whose replica identities merely mirror each other across sparse graph cuts.","stamp":15,"from":"poa1DA5XGnD8XGhZoS7s6HmMCzXC2JQhiALU9CNKvBT2kXLv","nonce":5,"parents":["c88d434912ebe4218c6286bf69f5e528af3e1e38de92251370ad26d8b0880297","b7b6cef9bb5c7baee76219c90973cccac47b20d303265f833a70805235e61da2"],"ts":1793144892,"cid":"poa-mainnet-1","sig":"3xnK1323rYmiXahm7deYgs8r2uhbfMbKvi9XPmgbtTau8E5EBLgHvPyhdzPu7eijwdqzY4MnFurL9juPApPaxWrp"},"checkpointed":{"height":238579,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:40:16.971Z","checkpoint_height":238579,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}