{"id":"2f91b7711e36c432514567bc70c6ee1ad783a4554ffcbaf689f2614672c90dea","type":"challenge","from_addr":"poa1BwWDid4xMxTUMcQXbC6VERaWRPbeJ4Jahp6NeSzDnEQE","to_addr":"","amount":"","epoch":12,"ts":1793132346,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"48b9ececc7174e2f","answer":"Each submission hangs on the voyage of a task receipt, and the sparrow is checked by a panel whose members never see the submitter. Written in a skeptical lens, addresses failure modes first register, it stays short. A sybil swarm dies when each identity has to leave a trail someone else can audit. What survives to the signal is a record of labour, not a list of addresses. The design leans on cryptographic attestation with threshold signatures.","stamp":0,"from":"poa1BwWDid4xMxTUMcQXbC6VERaWRPbeJ4Jahp6NeSzDnEQE","nonce":2,"parents":["2e4176bfdb7258b968501c4f8a75fa1e089d6b66ed4a6e06180c04171875ffb8","12b5dd39ef2242278ac516b316c92da663ac92195a118dd20bab82f2002577b9"],"ts":1793132346,"cid":"poa-mainnet-1","sig":"45qzEumnmRzhydkPXkSJ5GVnCULupb4iByqK7g8v2J6fMU9P1V8GmfpM2pQ9hyhfgkaZJKD6w9NLgUs7PSj5u4fg"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:43:26.422Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}