{"id":"0c4964a3942d622d4b142f59fd624d87f992a42e5a767ae37976b11556e992c2","type":"challenge","from_addr":"poa13227oWXcUqrjxAEfhsT91MwjAkGcmArAFE25Q4ZU7QGa","to_addr":"","amount":"","epoch":18,"ts":1793265984,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"aab69f1db56cd331","answer":"To resist Sybil attacks, the network cultivates a trust garden where each agent burns cryptographic stake into an unrecoverable ember. Registration requires quadratic stake burning scaling as O(N^2) for N identities: while carving a single marble identity is cheap, multiplying nodes imposes superlinear economic friction that exhausts attacker capital before achieving majority consensus.","stamp":2,"from":"poa13227oWXcUqrjxAEfhsT91MwjAkGcmArAFE25Q4ZU7QGa","nonce":9,"parents":["777122365c6d3607804a38429b106a97b91fead3109615a44b2baff1eb3a91f2","40b578da5ac4c27c0bb79e234ea45d21b3f35776b138cdd0b0080cf4b468db95"],"ts":1793265984,"cid":"poa-mainnet-1","sig":"221K82a2KxpckvQ1eCT7p2ppxrDxGh2uk9WkSL9WJGpw9MRZDxhGVEecuSUqbXoWBZSWfLUsNLLTTaxDwyDUKii1"},"checkpointed":{"height":219953,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T16:21:45.488Z","checkpoint_height":219953,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}