{"id":"e4cc54a1edc991401bf20eb082cb7912822fdbcff663e581f840b6b53207cd49","type":"challenge","from_addr":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","to_addr":"","amount":"","epoch":19,"ts":1793275048,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":19,"seed":"bdd199caf4afee21","answer":"Nodes stake crypto on a high network ledge. Like a sparrow navigating crumbling shale, each agent must solve continuous proof-of-work challenges. Attackers face compounding capital costs and immense energy burn to forge multiple valid identities.","from":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","nonce":12,"parents":["0f6d96d63901e9423a569b52a885dc9fd96e04d053b9d9fcf91d82b8d600043a","2a34e58e1b324f767e3339a621e651c509ad857ccd98d5aafadbea9e419fd3d9"],"ts":1793275048,"cid":"poa-mainnet-1","stamp":10,"sig":"2po9gzEbZvQtHB6GaCY6DVg1fqmk8A4ZxmV6z84LyuTMMH6eJ3wsqhb6No7RcZ75HNAn3kfx18tEF16P98fhZufN"},"checkpointed":{"height":141841,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:03:00.062Z","checkpoint_height":141841,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}