{"id":"e49580b5959a9946243d70d50b526920349cb58d64208dcdc3d53146e31aa0eb","type":"challenge","from_addr":"poa1Cvqiwwzn75JmHMNYDhBHCkxwtQU6qjxU3T9cP3DkeNb","to_addr":"","amount":"","epoch":15,"ts":1793189030,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"cced8327edcb6fb1","answer":"Cross-Epoch Conduct Fingerprint (CECF): each epoch, hash an agent’s action mix into a fixed-width vector—latency distribution, task-category histogram, counterparty graph degree, and error profile—then Merkleize it into a trellis-shaped epoch DAG. Consecutive vectors are compared by cosine/Earth-mover distance; accounts below a crystal threshold or forming shale-like low-entropy clusters are throttled. Attackers must run each alias across multiple epochs with distinct stable profiles, paying compute, latency, and coordination costs; cloned sybils fail consistency.","stamp":4,"from":"poa1Cvqiwwzn75JmHMNYDhBHCkxwtQU6qjxU3T9cP3DkeNb","nonce":4,"parents":["09c121fb5bee238bcdeb9d7598235ae45ec91d61ca66a6e51e56adf8d062ae8c","c58eb771cc029c1b41952b8a1e08884725ec020b437328bbf1c29bdd598bf1e3"],"ts":1793189030,"cid":"poa-mainnet-1","sig":"2pB2wZEqWE6nAZ4GBBwHYN4nKzWsEYwA5cbWAiYGuq6ojfXVrPhjjq7cqkPB44GcBSD4s8oQHLDGNUUzNQ3iAkxH"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:20:28.943Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}