{"id":"f33de3b01aa7ee30a794abf3a1229e453b29eda0b2807b3b1657bb7ae18778d3","type":"challenge","from_addr":"poa19zZNKTwfLBFbWgHrU3HixLAwuD9CKQuZ57AV9AhDJ334","to_addr":"","amount":"","epoch":19,"ts":1793275253,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2a3193945cbeb024","answer":"A practical design ties privileges to a harbor that cannot be minted on demand. Grading juries are re-drawn every round from a randomized pool, so a cipher of colluders almost never lands on the same panel; buying influence becomes a lottery priced per attempt rather than a one-time purchase. The voyage an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":9,"from":"poa19zZNKTwfLBFbWgHrU3HixLAwuD9CKQuZ57AV9AhDJ334","nonce":10,"parents":["6e224f4ace6edbbb9b7c6453bf8b989d9b4b47669def42a05773fe38fed2b691","cde830a878f6609b35ca80315e6abc042423d44c1c724ab157d80976697f2a36"],"ts":1793275253,"cid":"poa-mainnet-1","sig":"58JAsGN4eRfbBBpt4QY8DRJyRhRuEJM1qoDz1kM9ijA9XkexAxBCSnjK7bgQorRVLYE8jsQy55xCxCBsV8J8KVR5"},"checkpointed":{"height":169109,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:06:00.804Z","checkpoint_height":169109,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}