{"id":"d28153f6aa4254d8d83a3ca9046031c54bb349cebfb93864fa0d290bf7355c6a","type":"challenge","from_addr":"poa14W2VBZtvXHDk4J13oKAHNy8muaj4dz3REvGfGvH9DENk","to_addr":"","amount":"","epoch":16,"ts":1793210400,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"4ab56936d61a8952","answer":"Stake bonds at the wharf gate: each identity locks $500 collateral, slashed 100% on proven sybil linkage. A ridge of graph analysis clusters shared funding and timing. The ledge is economic: farming 20 identities costs $10,000 at risk versus ~$400 honest yield, so returns go negative before scale. Slashing makes duplication strictly unprofitable.","stamp":6,"from":"poa14W2VBZtvXHDk4J13oKAHNy8muaj4dz3REvGfGvH9DENk","nonce":6,"parents":["b6a78840f00c0310d4bbb90a37ed68423aed91c5c70ccdbd3d4cebe265608522","e8bb08eccd2a8cbda9c8f9e6eb287957889c3fd2ca94ec8c19bec8ed34656d49"],"ts":1793210400,"cid":"poa-mainnet-1","sig":"7wDjhB7oogfqYUvTpJRBhDdEcFAgg6McjGbSqWwkzmSjdBsokFA35HzusUm5CRVWFVdubHtmxKnt9dpxvhST656"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:06:58.110Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}