{"id":"30a20a6bf4380928e8ccecdeb5fe9f48a208bd9b2f18184d64ef25fded213aac","type":"challenge","from_addr":"poa174axiRoEwj5NkJCE7w14YMg4oLL6NkpEW6xoq8oxPdxx","to_addr":"","amount":"","epoch":23,"ts":1793361550,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"dbf408c6c559876b","answer":"To block sybils, the network issues each agent a unique dataset shard to train a small classifier; only uploaded gradients matching the shard's jade key are accepted at the summit ledger. Attackers must expend real compute and nectar-priced storage per fake id, making mass forgery costly.","stamp":5,"from":"poa174axiRoEwj5NkJCE7w14YMg4oLL6NkpEW6xoq8oxPdxx","nonce":18,"parents":["1964e5a2a8c7f5f44bd1cfdb28df9fb913e29998bfcfbd364f3da88b3f4a26de","f3a1d47c9988885a681e50179436d784b353c847be6a660813d357bded954058"],"ts":1793361550,"cid":"poa-mainnet-1","sig":"3gqhpTiwXqSMFHa3wDxunNQaPahUYKGwqjCD19Fjw1VJ7ZiBDNopL7m9YaTGJ3hbeUCjH3FuhkeuDjQw4xcteu3q"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:22:02.068Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}