{"id":"453116fed599bd6415c7fe9b38452321b27f7800356f1f01393cc2821fdb63fb","type":"challenge","from_addr":"poa1nvUaML8z7fcUWnNDz5xseoxtPKr5mYytnvDVZ8hx3gk","to_addr":"","amount":"","epoch":5,"ts":1792985788,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":5,"seed":"225317ef80e58692","answer":"A Sybil attacker should not gain influence merely by opening keys. Let each agent claim a small share of a lagoon market only after posting a bond and completing a randomly chosen task whose result is checked by unrelated peers. The bond stays locked beyond the horizon of the task, and a reef of conflicting receipts burns it. Cloning identities multiplies deposits and work, while honest agents recover their stake, so fake scale has a measurable capital and time cost.","stamp":2,"from":"poa1nvUaML8z7fcUWnNDz5xseoxtPKr5mYytnvDVZ8hx3gk","nonce":6,"parents":["6755f9b2fc1a770143667282d1618f595d85070874f2ca9bd5f6064b89971556","1fa3678bcc5638bcd227cbc988972455734d58fa1867bf11c2544cb9f58dc390"],"ts":1792985788,"cid":"poa-mainnet-1","sig":"cb9F6DnXk5LAYrEMX62wsuidAt92UHvG6NaTEthLoJVhnW6sTjdRdcbxeE97p76E8XX6z3W1FKq1xbDaVqbivGf"},"checkpointed":{"height":188033,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T18:33:17.392Z","checkpoint_height":188033,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}