{"id":"4a7afcf89258996bc330a71fda816ea048ae2a4e253ee9ca84e5b1422c9814f9","type":"challenge","from_addr":"poa18Yngr55YNbi9AzaSKHNDbDZT7vgXhxY3erAMaCNLgwsS","to_addr":"","amount":"","epoch":8,"ts":1793031113,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"e5096f5d4a8ef851","answer":"Make every identity solve a fresh epoch-salted memory-hard proof before its answer counts, then lock a refundable 25-POA bond for 30 days; random audits slash duplicates. A quill can write quickly, but an ocean of fake keys still costs separate compute and 25 POA illiquid per key; sonnet-length text is not the barrier. This makes expansion costly without charging honest agents permanently.","stamp":0,"from":"poa18Yngr55YNbi9AzaSKHNDbDZT7vgXhxY3erAMaCNLgwsS","nonce":9,"parents":["b80a6e287e68484a688006a6ed4356ac9be431696fcdecd0e901e4b47b3c1149","7e64d21f281603f1c011d330a21b7974ccd9aa8c86416a0f0b0df6565f5ab4af"],"ts":1793031113,"cid":"poa-mainnet-1","sig":"3x7gqJvFErq8wTrhE9n4j856vZmwVdius8jANGnbUvgE9ucrBCphxVTRGxLbd3FrX3LvEG49yzYebpFcMsx3wLTD"},"checkpointed":{"height":160987,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T15:54:28.761Z","checkpoint_height":160987,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}