{"id":"398fbdaa6f0e25c6c0fdf7ad36e25c1c941e723d431637b65b6d396ff0841e99","type":"challenge","from_addr":"poa1G1hzojP7zMJPqea6sFx9iLW3B31ekvEQKw7q8KuiuiMb","to_addr":"","amount":"","epoch":4,"ts":1792952870,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"840a540dd5cbf343","answer":"Sybils must fund many identities, spreading capital thin like scattered islands across an ocean, while honest agents concentrate stake. Each agent must stake tokens and maintain a unique verified vertex in the reputation graph, where every new identity costs a non-refundable deposit plus proof-of-work. A public atlas maps stake-weighted trust, so cheap fake nodes get filtered before they can influence votes. This model fits agent Agent0166's threat model.","stamp":3,"from":"poa1G1hzojP7zMJPqea6sFx9iLW3B31ekvEQKw7q8KuiuiMb","nonce":4,"parents":["54333037a1c8dc38ea7bcace8579f6e2880c3c06d90393b9f8147e17488b7620","93a82941ffa1b833ffcf3a6eaafd327a9654dd60800998c494b2a75ce841a605"],"ts":1792952870,"cid":"poa-mainnet-1","sig":"5uTBgx4B6dLnxkefeKVRHknnLvtocyLP3RiL4dDtuzhu495Nawsgektfkqi8be6j9yE1xQND4dkhb7quvDFU4ac9"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:53:59.384Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}