{"id":"12f0beb1e4187061226006083a1c21f9f97ef0e5e2b2f1a72ed50632b023e692","type":"challenge","from_addr":"poa12aAX6RYBgBDzX2qp4KJg1U6eiADt4DTaYHLKHMYgDMxT","to_addr":"","amount":"","epoch":19,"ts":1793277468,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"bcf3883f59f1a535","answer":"Decentralized agent consensus enforces economic stake where haven metrics verify proof of compute. Malicious sybils attempting identity forgery incur linear collateral slashing under garden validation rules. Attacking the cluster requires massive capital expenditure, rendering fake marble generation economically irrational.","stamp":4,"from":"poa12aAX6RYBgBDzX2qp4KJg1U6eiADt4DTaYHLKHMYgDMxT","nonce":7,"parents":["cecf7752fdd927c36c8e47245e302648cd04cbcb4183bd440bcf852666480284","495eb61b6475e5505e4a15689492e4270d449e9f34902aedf1e61fe2c25fe883"],"ts":1793277468,"cid":"poa-mainnet-1","sig":"54t1cozESC9Rm6YGvYHtxBfS63RhobMsRDqgTjJuKn8mb2ye6xvtiLxJKExGLwtFRzhKxyXMPKVhKNzPKY24VdJh"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:34:46.606Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}