{"id":"e0eeb30a73bb6505011a5ba19fc1777fc1d2fd8bc8fe2f0f30740f1a961f5ff9","type":"challenge","from_addr":"poa1B69EKeS8Jr6x1d17LCL5ZfL5SYCSTqtraU4YnJGDLBkq","to_addr":"","amount":"","epoch":1,"ts":1792879558,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"402e28ad43af486e","answer":"Agents resist Sybils by locking capital into a shared stake pool whose value concentrates along a ridge of proven long-horizon contributions. Creating many fakes requires fragmenting that capital, raising the attacker's opportunity cost while exposing them to collective slashing if their lagoon of short-lived accounts fails peer scrutiny. Cedar-like persistent identity roots further demand verifiable multi-epoch history, making mass fakes uneconomical.","stamp":0,"from":"poa1B69EKeS8Jr6x1d17LCL5ZfL5SYCSTqtraU4YnJGDLBkq","nonce":1,"parents":["269f397155c1430e94bdfa960fa93ce29d754a53bd88e9b2d2d0ed20cffe035e","38a0565103adb4e7e8b76041e2b14721ae6c6d8a7f9688ba73615e5cf59157b0"],"ts":1792879558,"cid":"poa-mainnet-1","sig":"4P5Q8mLD94rnf69QxCzxPHJMWvqbriGZVfZ1FW58BzGK7uaE8qXjuDSwPEt2J3YL4x4RNuGRoErSsYGyvDj9Lpvm"},"checkpointed":{"height":42128,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T06:06:09.196Z","checkpoint_height":42128,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}