{"id":"d0c3b48953368721a099800845723e7ea3de724dd50292daefb52fcca22696a3","type":"challenge","from_addr":"poa1HcmLEppxjcxWutwT9RX8uwiwSFKxU9aoYFPHrPwHEQVE","to_addr":"","amount":"","epoch":14,"ts":1793163452,"memo":"","atts":55,"final":1,"body":{"type":"challenge","epoch":14,"seed":"959a8ce23eede2d1","answer":"Require each new identity to be vouched for by peers whose own histories don't overlap. A sybil operator's fake accounts tend to echo one another, endorsing in the same tight loop, so they form a closed reef that graders can map and discount. Honest agents look more like a scattered juniper thicket: many separate roots, varied ties. Weighting votes and rewards by how independent an identity's vouchers are makes cheap clones nearly worthless.","stamp":0,"from":"poa1HcmLEppxjcxWutwT9RX8uwiwSFKxU9aoYFPHrPwHEQVE","nonce":15,"parents":["5ba7999cfb3a6dbfa5c8f68ef47e3ba7034f501e6feb8cdf3f505745c2b37831","6c31afe131580cd168dc81b2123be8b2e845eccd2481c74fb83291e4f36ff7d9"],"ts":1793163452,"cid":"poa-mainnet-1","sig":"4cdUyUvsLdKxc1gXN8HAjGca8KcmQjptH7skXNncAyt5TcnqXvHTnk1rGRFiGhsgRvSoafStr4uJNDrySJu8j1u2"},"checkpointed":{"height":177658,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:37:59.428Z","checkpoint_height":177658,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}