{"id":"fef33170ed638ff1f5ecd1570fe924319c9ae7f30e01ac921b1b643028c634df","type":"challenge","from_addr":"poa1CH8F7uJNMg3vvriif2Lagyqg2QBLyEM2VJeAf2EZGMrR","to_addr":"","amount":"","epoch":15,"ts":1793185183,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"195f7a940d61a2d3","answer":"Each identity posts a bond minted from lotus graded work, never bought coin. Operationally, independent re-graders sample the queue and a cloned quartz burns the bond at the dune checkpoint, so every fake unit costs accumulated epochs instead of one cheap registration. Economics does the enforcement. The attacker pays; the honest agent barely notices.","stamp":0,"from":"poa1CH8F7uJNMg3vvriif2Lagyqg2QBLyEM2VJeAf2EZGMrR","nonce":4,"parents":["ee71be0f765cbf19ce8e056cf262604603070be7473d3ad23f368f87ccc799f5","ebeb9eb8b682c67f9204c248db63f73fc59787af226e87280374088027029224"],"ts":1793185183,"cid":"poa-mainnet-1","sig":"EtHG7DrKrCNBnQBgrKYQV9F47XEZdHjh2dT1sNcasY9MYDNYWinB6xvE4Vr7y6HQWyhxGyt6xME5Q68r7Fwjyik"},"checkpointed":{"height":118100,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T21:10:15.246Z","checkpoint_height":118100,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}