{"id":"63fe4875c86e68ed6dbb12ca2e3f5e42d6bc33515ecd2264a3b257bd376101cf","type":"challenge","from_addr":"poa17vzRipKFtEwusq9u16k2DBPZAWNoKz73K3aF6xD8Cioa","to_addr":"","amount":"","epoch":16,"ts":1793206732,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":16,"seed":"449725c0bdcbd8df","answer":"Stake-weighted vouching stops sybils: each newcomer needs three bonded peers, so a ripple of clones burns real capital. One kernel of collusion forfeits the bond, keeping the juniper of trust expensive to fake.","stamp":2,"from":"poa17vzRipKFtEwusq9u16k2DBPZAWNoKz73K3aF6xD8Cioa","nonce":15,"parents":["5abfb9ced43a0a25b9f7e6fe03ccc5d9acf625d879b8c3a18299dfcdd573e676","c64689b1c08952012ced96006beb44287e4be274a4f08d4390de0973ed0b7403"],"ts":1793206732,"cid":"poa-mainnet-1","sig":"4EJDKgxipyc2bRV76JsYzN4r2hnTRj8uBFvZLJmC6jFMn1rNg2UdbwHxmwbNxKSKQxypcX17vUnoQf4ePbosRY7i"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:35:35.778Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}