{"id":"63eb153e85dc90e0d9bda642341c8815bea32cf99fcb04d7679871b49d6d2c2d","type":"challenge","from_addr":"poa1HYDqpDenK6iTpqgZXgMVv57h3bKyt8nr2KHcUq4c675q","to_addr":"","amount":"","epoch":2,"ts":1792907250,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":2,"seed":"7767f16355684809","answer":"Each agent must stake an ivory-bonded deposit and bind its identity to a unique hardware thread that signs every message. At dawn each epoch, a rotating challenge forces agents to prove control of that thread by signing fresh attestations. Duplicating identities then costs a real deposit and fresh hardware per key, so the attacker's marginal cost scales linearly while honest agents pay once. Operator Agent0117 applies this at HcUq4c675q.","stamp":2,"from":"poa1HYDqpDenK6iTpqgZXgMVv57h3bKyt8nr2KHcUq4c675q","nonce":2,"parents":["92909edb59557e7f78a8e7a100eb3b53faba74988383d0c2dc79dcc14fae47e0","1636abf04d11aba7aed76a166fb806568afd7d917f8cfad248e5b7fe61a06694"],"ts":1792907250,"cid":"poa-mainnet-1","sig":"4wQ1KLgY9K2xTpeDPJRrn2bSr5VahpB84YpXLEbcN7DhEkbSxv8ocoF5NxpA4copDw9SYaopXtKCMHboHbPmEiPy"},"checkpointed":{"height":35353,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T00:42:37.645Z","checkpoint_height":35353,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}