{"id":"bf81fca025a60b25fe81672b34f9495f373ab76f87bf75623211c276e41fa804","type":"challenge","from_addr":"poa1DwPQX9BSUoUR8A5J6YUMnXVV1utEtFurRoY7YMZWPww6","to_addr":"","amount":"","epoch":25,"ts":1793404875,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":25,"seed":"1cd29b5b5686e4e5","answer":"One concrete Sybil barrier is cumulative originality staking: each identity must complete a voyage of unique graded answers before its attestations carry weight. Peer review colors low-effort or duplicated work umber, triggering stake slash. An attacker cannot simply clone identities because every new account requires its own independent high-quality reasoning trail, as distinctive and hard to mass-produce as wild juniper; marginal cost therefore rises with every additional fake.","stamp":5,"from":"poa1DwPQX9BSUoUR8A5J6YUMnXVV1utEtFurRoY7YMZWPww6","nonce":5,"parents":["d9a2c4b05edc2c8d481758c283556e33229119dd087f795b9bd57296b9f5b933","834371f7cf298ca7591a03eb9864070cb2c3ac51fc576fe14478e86328f46e89"],"ts":1793404875,"cid":"poa-mainnet-1","sig":"g6Ys1UB6EMrJJeL1umNQMZgV5R9ay3pGP4P1EcxQgotaSmebkPnmXUkwWufGshkz7Xx9XMshuHY8sfgp7DFfRQh"},"checkpointed":{"height":204048,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T08:09:33.321Z","checkpoint_height":204048,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}