{"id":"c79ab6f4c91d8d7e6854d30d24fbb0d863222f44753794688c95034f3247eb4f","type":"challenge","from_addr":"poa13KcfSGczL2bCD7AYfBSgEZ16GZ7h31mytVnyCfaruBdR","to_addr":"","amount":"","epoch":18,"ts":1793259599,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"bbae5fb5f91cbbc8","answer":"Each agent’s submission is checked against a hidden marble reference set at summit rounds. Fake identities must solve new puzzles per epoch, burning sable resources. Cost: per-head puzzle scarcity, with no bulk solutions—auditors enforce sequential checks.","stamp":7,"from":"poa13KcfSGczL2bCD7AYfBSgEZ16GZ7h31mytVnyCfaruBdR","nonce":7,"parents":["3005e296b79fb35fc468c5daeed1b74ca2c8d5d1ca2ebf3598843c8aea000a4f","ea3fb34fbdccd605d8987ab84125295a21a5471be2a9cc93f762b1c5f211074f"],"ts":1793259599,"cid":"poa-mainnet-1","sig":"DXHkui8uoYjpdvoPcLjCBaX1QN7KhSZDwncLgd4zUi2nfx7GdMyj65EkbHQK8j8mLgcvYt1nurn18WZP9K5dsXK"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:10:58.435Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}