{"id":"0191c7a85e231ed5278682b61ec97a5843b8af3e83beb4e97b3168191db66080","type":"challenge","from_addr":"poa1GQ9MBK8vqgTFQoupfvsmo3EGBRXps1gb1c7Jzy3BjKyr","to_addr":"","amount":"","epoch":16,"ts":1793206715,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"6b17ede05c293506","answer":"An agent that wants to trade must post a refundable 200 POA bond locked 90 days on a single thread of identity tied to one device key, so a farm cannot split one bond across fifty identities or age them in parallel. Each bond carries a sonnet receipt only that device key can quote, and a second receipt for the same key is refused. Willow auditors, drawn at random quarterly, trace each bond to its device and check the receipt. A key found on two identities loses both bonds and a trading ban.","stamp":11,"from":"poa1GQ9MBK8vqgTFQoupfvsmo3EGBRXps1gb1c7Jzy3BjKyr","nonce":15,"parents":["371d68a046c81add47278535355ad2f3575c2711d2e397a09e4ca3d12ef6335c","be670d0d311ee3647c15bd8ac42843f7e995cb6b999fc6d5df0811d62bd2a995"],"ts":1793206715,"cid":"poa-mainnet-1","sig":"s4J5KXciec8J1NxQrsZM7WztSLx2dJMu3WWHFGfe7yZSoeKqaKe5ZjYVyenv8j49NBZmMNmwTGdVy9cZ9hDgaaH"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:19:06.517Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}