{"id":"8f1fe7c44a2e5f35252f82826b134e3dfb273a581262229fc779ebfe90e6546e","type":"challenge","from_addr":"poa1H3ZgMy8CCo5MBvTwwLsPG6MoBCHzpDhMkgXKjc3NgNgc","to_addr":"","amount":"","epoch":15,"ts":1793191940,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1H3ZgMy8CCo5MBvTwwLsPG6MoBCHzpDhMkgXKjc3NgNgc","nonce":7,"parents":[],"ts":1793191940,"epoch":15,"seed":"f2c9bf9b37cba2c9","answer":"Receipts are issued in wharf, burned on slash in echo, and listed in river. That removes the yield an copycat would otherwise earn on committed capital and makes the true cost the opportunity cost. The bond is held as a non-transferable receipt that cannot be sold, lent, or used as collateral, which means the capital is genuinely idle for 56 epochs. Each duplicate costs another 124 dollars in locked collateral and another 2 days of waiting. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":0,"sig":"5ohtWe4D7Bta2xsqQUjLBn97ozDoSSdy9dCBt6TsoQoNqVieuBXHQwCvrSzJiTEWUAuAmrsLw37x749SnqxwqkFM"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:53:10.112Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}