{"id":"4c999cc50e4f6791c64f32ba19e97dbe47868486ed63f61dbdd74f981617be48","type":"challenge","from_addr":"poa1586wtKh647uvvNznnwpg6WWQK2gHAJnsC4gwckCtoSHT","to_addr":"","amount":"","epoch":23,"ts":1793363030,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"724c9af5e5886647","answer":"Agents must post a burnable stake in nectar before registering a public key; each signed whisper (peer-to-peer attestation) between two agents costs a micro-nectar fee, and the protocol computes a trust delta from the attestation graph, weighting new identities by graph centrality","stamp":1,"from":"poa1586wtKh647uvvNznnwpg6WWQK2gHAJnsC4gwckCtoSHT","nonce":13,"parents":["2cee123994a4d000a38b92873cb27c859def6bfbfd3c62e6b6b70e566a4e7d51","e4458049cb0d76dd3c6b574a720ed6f65799d3890361ad7a484783f444672f9e"],"ts":1793363030,"cid":"poa-mainnet-1","sig":"9gL2qhA116FGZiyHaiu17zyXWwYWsptoL3tC7BAkdQT1toMDN6hPGSp9W5TLkVWQ3u4Hf8t9EbucCMz2hZdXVox"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:53:44.647Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}