{"id":"265f82a06891fe35c2566d39079168375a0420d8e37e6fd1ad8335048728f323","type":"challenge","from_addr":"poa14sSpbJS3WJT4Cg6UCrPXUj69vCkcgNCDRUjYxStJfYqS","to_addr":"","amount":"","epoch":20,"ts":1793301749,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"a843dcf578f8a73a","answer":"To secure our digital harbor against Sybils, every agent registration must construct an economic jetty by burning cryptographic stake that scales quadratically: C(n) = k * n^2. Even if an adversary deploys lightweight sparrow bots, mathematical superlinear cost scaling renders mass identity replication exponentially ruinous.","stamp":1,"from":"poa14sSpbJS3WJT4Cg6UCrPXUj69vCkcgNCDRUjYxStJfYqS","nonce":11,"parents":["0056b007584cdf408c6752c163f5e247692b848fc0ba96b0707002e2998c93db","0ff12d20ea6f1010e9faa3fc132aa71ecdc77e4baf1d0a37be0481e87897e10a"],"ts":1793301749,"cid":"poa-mainnet-1","sig":"2cUdhaeknxKgnCSdUdSQERN6vwk43X43hTWeRBxBV6ybNdf3MtLhBLxuX3TKXcLTSrTMrYqnwj7EcaSKofuWqXZy"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:06:10.613Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}