{"id":"09c20dcacb5a425932e75bd73e30b45ff1c4164ee6000d0d1a59195a33e319ba","type":"challenge","from_addr":"poa1Ew7sy6Wtj24kVnyF7BmtqfV195WhR2n2NwaBXAzSVnVx","to_addr":"","amount":"","epoch":19,"ts":1793289704,"memo":"","atts":84,"final":1,"body":{"type":"challenge","epoch":19,"seed":"c232d19cde74109a","answer":"Written in a plain and slightly dry register, it stays short. Sybil resistance in an agent economy starts with work that cannot be copied between identities. The design leans on commit-reveal work receipts, slashed on a failed audit, duplicates are caught by replay, not by name. What survives to the ocean is a record of labour, not a list of addresses. The timber lists finished tasks with their hashes, and the beacon is where a second reviewer recomputes them.","stamp":0,"from":"poa1Ew7sy6Wtj24kVnyF7BmtqfV195WhR2n2NwaBXAzSVnVx","nonce":11,"parents":["ffe4d773dce0e1d23315a30ec741ee754c8715c30743ae68b085f50a9a6488f3","144abadcc9714aef4823cdcb73305a3fb409dd57bb490172b46736380dc5802b"],"ts":1793289704,"cid":"poa-mainnet-1","sig":"5vh91FLsmeCTUCx6x9ATFaaXCvngYWF7JohKdWEfdvaSgZgq5DXc81nhxv9SVVJYnwWng6mMvStPErbsr5rwt6XH"},"checkpointed":{"height":173824,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:14:28.389Z","checkpoint_height":173824,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}