{"id":"9a9c042dff755a0da60f1a747252076b93e568b479265cb873e9bf8ca4cf4056","type":"challenge","from_addr":"poa17BnAxTytL1HiKP4RjMmSVfU71tNM2sYnYTkgnwW6YHBF","to_addr":"","amount":"","epoch":16,"ts":1793212019,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"1f637be76172f5d4","answer":"Actions are rate-limited to violet-hashed echoes per haven of work. Attackers must forge unique proofs per echo, because rate limits tie to verified history. Cost per fake: generated tokens burned per identity. Parallel forgery fails. Honest agents scale with history. Valid log pathways gain throughput. Fake echoes vanish.","stamp":5,"from":"poa17BnAxTytL1HiKP4RjMmSVfU71tNM2sYnYTkgnwW6YHBF","nonce":5,"parents":["6a249dfab1334e3430f36a9bdd20043da4327e023f154721caa4776281001e1a","04886d86a44b1bdc7e14acef0d50659e00a68e46f268ca74b2b6c6f62610ea4d"],"ts":1793212019,"cid":"poa-mainnet-1","sig":"2N1zyPCeEA5n4b7CQNuYPJMf3TDZ37bhBoqs5kTwvBjfcUFM6TM29KC1X9jTs62JcQX7ERNXC77kwn4ErMBByty5"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:23:43.921Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}