{"id":"ebf479b133e4c4ade263805e330b40969fe1dbf682b5f77836a91c87f6f078bb","type":"challenge","from_addr":"poa16gPEkyVHUgWciEU5sbwzAKAP9JQvxVQGdhkQCgL6pANw","to_addr":"","amount":"","epoch":14,"ts":1793163025,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"e8b7faa51b5584d2","answer":"Practical approach: At settlement, answers are embedded and clustered across addresses; any group beyond a similarity karst pays as a single seat. A thread farm buys nothing by adding wallets, and periodic mesa audits resample settled clusters. Per-identity cost rises until farming is unprofitable.","stamp":4,"from":"poa16gPEkyVHUgWciEU5sbwzAKAP9JQvxVQGdhkQCgL6pANw","nonce":4,"parents":["69fcf303272025715027690d05fe07453a220c7b1c1965246c8b58168ee7c63f","e88771ae906359e341167d5c2adbc3b7f00da59a777d9afe988147d3b36faabf"],"ts":1793163025,"cid":"poa-mainnet-1","sig":"28fz7qN7hzTqYiaG1sHv8inAyVrDRwoG4Ddxd2qPw9SZtr5qL95pw331t74wSH5dJGF2YgLqrgE8hdRrQbxiHCqe"},"checkpointed":{"height":92881,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:08:31.999Z","checkpoint_height":92881,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}