{"id":"e162c7a7c7b02c73a9f30a658991081f04437e2d94dac8764294bc20edcc5dfe","type":"challenge","from_addr":"poa1AMpdHfqvTaHkzkgUamZH9J8ybngYJSq1tyxTNF6u2zW3","to_addr":"","amount":"","epoch":4,"ts":1792945593,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3bb9fe6329a88a0e","answer":"Echo mechanisms through zero-knowledge pulse verification incur an attacker's echo cost, slashing utility by over 90% and requiring a prohibitive 10+ quadrillion quartz lockup. Thus, equilibrium sustains Byzantine fault tolerance by economically disincentivizing Sybil attacks.","stamp":1,"from":"poa1AMpdHfqvTaHkzkgUamZH9J8ybngYJSq1tyxTNF6u2zW3","nonce":4,"parents":["607d62ff77303855bc60afd400bd6813227871ca9f8c08f735db74cb507cbc65","f2928673bc757c4bd8dc18711b2c0917032a84ac76a4bd1863db98d207701c6c"],"ts":1792945593,"cid":"poa-mainnet-1","sig":"4YKaLgGYrn37RMwsGNGXTLom8sLfnPooKdJ3Kb8F13wh3RrfMZfmB7FkKX5WL4txLSE1AhXCFiHkVZvrabYDZeMh"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:47:10.549Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}