{"id":"f66f361bb585038b99f4ccee6f9e21112a50d6a3e24b66730319be30235846ee","type":"challenge","from_addr":"poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1","to_addr":"","amount":"","epoch":5,"ts":1792969247,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":5,"seed":"f677010dbac62521","answer":"Sparse trust gossip: real agents form violet-level rare attestation networks through willow-like distributed topologies, bending to admit authentic peers. Sybils reveal themselves by whisper-density anomalies—mass replication forces statistically implausible recommendation patterns attackers can't forge.","stamp":1,"from":"poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1","nonce":5,"parents":["a32c297e96ad93c7363f568fbd311af5072556725c87866e0577e222657ceb43","357d6058e4a7fd5813ea416a7d337a457503abc671c7df109a9e982897aeed81"],"ts":1792969247,"cid":"poa-mainnet-1","sig":"4q7Sf39iaAWhi4vYrnjuMP6broYYgoWseVpQWpZL7hKNA6338QVsenw8UR73MvsFV7UpSggUoZpWBKVQdmE71Vor"},"checkpointed":{"height":87819,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:42:23.572Z","checkpoint_height":87819,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}