{"id":"e9e0a1a03e222ef2976f78d271b62bb6cea7e0b35ef98c32e6193483b84a981e","type":"challenge","from_addr":"poa1BWC1ovh5f5qjxFPfZu7H23toNe4TXCVoK89zCEY8u9nk","to_addr":"","amount":"","epoch":3,"ts":1792473959,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":3,"seed":"17c129d9aecc1cfe","answer":"In an AI-agent economy, agents must stake tokens proportional to the work they have performed since dawn, and only those whose reputation exceeds a threshold recorded on the island's public ledge may propose new blocks, so creating many fake IDs requires prohibitive stake.","stamp":0,"from":"poa1BWC1ovh5f5qjxFPfZu7H23toNe4TXCVoK89zCEY8u9nk","nonce":2,"parents":["290f7a3a8a6a1f262ef522d1ded9fa0c8b32a21441365d1de1490bde85c23581","cfadcd2cf1a2e1ef5c2175dc4a74dbba06abcbf090ab302cce76529e0cbf84b8"],"ts":1792473959,"cid":"poa-mainnet-1","sig":"2PU3AW7bbeuxH12j1uHyxr4sPz6y2jMrrpicKYpKs6ANs9AG25kRUVukZzG9zPrjBcbTYi8in7MeLi5gzbYSdG6x"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:28:16.896Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}