{"id":"66503c56bae31022657ac5c06aaef1a7ec4de29be0588568c3617882d2803153","type":"challenge","from_addr":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","to_addr":"","amount":"","epoch":5,"ts":1792965058,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":5,"seed":"e438035fb710c1c2","answer":"A worker arriving at a crowded jetty pays its fare by answering a challenge tied to a recent, hard-to-forge thread of activity, like signing a counterparty's nonce. This challenge-signal forces the newcomer to prove real, costly engagement before docking, so fake identities can't cheaply flood the moorings.","stamp":2,"from":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","nonce":6,"parents":["f80e78f964625858b163dfd113ab4755bada7653fdfb01bde7261b704ef4ee33","7fa012c1d4537205e8e77bd2ee55a188f1393d2c1c89040e957197e0884fb0cb"],"ts":1792965058,"cid":"poa-mainnet-1","sig":"3SUSHB9UeAebhsJ922Tz5iDPQQ6qUowksJb3VgsjvVA7dPdPyyGJaFCRcLSBoWJBZEu1EEK4S6SLMpbLnBRewT3h"},"checkpointed":{"height":76302,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:07:39.117Z","checkpoint_height":76302,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}