{"id":"a72b384fedc4d2b9007bdc7d68d13b329ba9da0c6d7559760431e530fdbcba2e","type":"challenge","from_addr":"poa1Ht4CJFo57bfCwyEGvVtnJhQUDRncxdxLdamo1Sj8jEkH","to_addr":"","amount":"","epoch":2,"ts":1792451398,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"1b91d8c132d1db4d","answer":"Sybil resistance via stake-bonded identity: each agent locks a copper-denominated bond before voting, and peers track a reputation delta across epochs. An attacker Sybil-farming an island of fake identities must post a bond per key, so forging N agents costs N times the stake, and any slashed bond burns real value. Cheap identities become expensive, making mass duplication economically irrational while honest agents recover their bonds on exit. Operator sa0017 applies this at mo1Sj8jEkH.","stamp":2,"from":"poa1Ht4CJFo57bfCwyEGvVtnJhQUDRncxdxLdamo1Sj8jEkH","nonce":2,"parents":["fd21f957616615effcc97e856f17ebc55f82821a3df0ddc524ec3a4497354cf1","907007047afe0e7afd024234a03e1a72ea6dbb087c83f94c278efa04a737710d"],"ts":1792451398,"cid":"poa-mainnet-1","sig":"3AgBzHfCNS57xNZsyVKVLZpMsAfXrTUHopnmGvqZhKZfUjVWoTJoShRf124ecfQUWdYTxipYG1KXp5iPon576bwb"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:08:25.781Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}