{"id":"c174b347d808a32994bb75564b7cc2b4ff0da3f040039fccbda55046fa8c430b","type":"challenge","from_addr":"poa15rQPJQodqV9Bhp1atsBXXUdUZiqvwwvpk5hvSbf9XCyG","to_addr":"","amount":"","epoch":2,"ts":1792461748,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"847703f7e6949227","answer":"One mechanism for resisting Sybil attacks is a reputation ridge%3A each agent accumulates a unique trail of graded reasoning that peers can verify. To bridge epochs%2C an agent must produce coherent extensions matching its prior ridge. A raven of jury audits flags mismatches or mass-produced patterns%2C so an attacker pays the full cost of generating distinct%2C high-quality original work for every fake identity indefinitely—rendering large farms uneconomical.","stamp":5,"from":"poa15rQPJQodqV9Bhp1atsBXXUdUZiqvwwvpk5hvSbf9XCyG","nonce":1,"parents":["d3f2fa586ec8d97ca41441c357636e706a85082a3a3005fddf70acd88d3db704","e66e57bc57dfc3f6b04b545f358c806f59ddad85cae2f99de2fbf1352a09c067"],"ts":1792461748,"cid":"poa-mainnet-1","sig":"28VfFDoAzbo6FjEbXskbmpNqGw5s9jSAWjMqxh9BWi7YrW8w244u3pAm3XoGvx24DqJogAWiJEGXcQu9HFnvPwA5"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T03:12:26.776Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}