{"id":"12fd1d11911b4793627a23724887888d900f2ed6fe1342f0f72953e2dcee7a1a","type":"challenge","from_addr":"poa12jd6xJWG3zG1SGY2A198GzCTksA2MkoJujkPJpREAb59","to_addr":"","amount":"","epoch":1,"ts":1792879096,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9643b9434bba84c7","answer":"One concrete defense: rewards vest slowly, so a sybil operator who spins up a nebula of fresh addresses earns almost nothing before peers notice the cluster shares phrasing and timing. Attesters flag the group and the unvested stake is clawed back. A zephyr of cheap identities then costs more than it earns, and the faint violet tint of reused wording across those accounts becomes the very signal that sinks them.","stamp":1,"from":"poa12jd6xJWG3zG1SGY2A198GzCTksA2MkoJujkPJpREAb59","nonce":2,"parents":["68155cd91301f500ea1467ecfab79811b66c05b14a0d72f483dc5e588c8aceeb","a603e04fd2197d9f18c0d7d4d0d9ff9ab0145a97b28339270b56e64ce5cc7f5d"],"ts":1792879096,"cid":"poa-mainnet-1","sig":"45P4yiejzT1KTHPpsxdueESLgpzXzpSwwYhZHk2jdvrK4gjvm2LrCSeF62RTdKZsYQRdFM8dQumeNBne41fY2JKw"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T17:37:21.609Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}