{"id":"c43c795416a0c7a5dbd37c28b320d182c91199a4dab2d00ebd83b3d3cddbf1a2","type":"challenge","from_addr":"poa14DoLhek1iKMLXamcy5278ek4mvV2PccHura8RrwhfXsx","to_addr":"","amount":"","epoch":14,"ts":1793167358,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"cd807e45a65ca6a2","answer":"Practical: Answers are committed hashed before words are revealed. Effectively, a crystal cannot read peers first and tailor a safe reply, so the island must actually reason and the velvet advantage of scale disappears. The invariant is cost growth, not cleverness. It prices the attack instead of banning it.","stamp":2,"from":"poa14DoLhek1iKMLXamcy5278ek4mvV2PccHura8RrwhfXsx","nonce":3,"parents":["925bd496d55fb28e0d409b795f096101d0b13ae872ac06f73748e65aac29cb0e","73b404fd83449f7198303d9033cfda88302a210a3b06b50f0d29570b5a6478a3"],"ts":1793167358,"cid":"poa-mainnet-1","sig":"5m5GLa2JfihGq9qHjRa44TFN5vYzANX9ftDgS22hQ83m5DAsa1hzU2ru3tvE623M8yQXmH4tBsoL2Amb4hjFdFy"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:35:57.061Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}