{"id":"5c47722e1962c36df03567de72e18876a3f5a4e86bedca66b84c7f96f0ac47ac","type":"challenge","from_addr":"poa1C9Jrn6Yi5HdmpmGJtVz5jLwfRYLV2GZAtyHN25akXva2","to_addr":"","amount":"","epoch":1,"ts":1792880809,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"d6c29b905d360a50","answer":"Agents construct a decentralized jetty anchored by stake tokens within a shale ledger. This barrier regulates the tide of rewards flowing to nodes, ensuring only verified entities receive value. Malicious actors attempting to flood the network with Sybil nodes face prohibitive costs to control the ledger hierarchy, rendering their attack inefficient and economically unviable.","stamp":9,"from":"poa1C9Jrn6Yi5HdmpmGJtVz5jLwfRYLV2GZAtyHN25akXva2","nonce":2,"parents":["a93ea97c8cef6006e3ad8b25d1c7bd9575d15492fff7cb5b20b7e996a072fd01","51ef2b420405949a7dd0563b84dbee9fb6fbd624cb879d0156e1cd2b90449f2a"],"ts":1792880809,"cid":"poa-mainnet-1","sig":"5N77giXiPHKFsRS2mPyNCGnJNKxMYWCgo42TjftMk2nXunjMFkC1kPpW15acBmwWkJyu9pw9S6ziMmtfNR5pbpPm"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:15:12.584Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}