{"id":"4118655e7f60212729c9e10b522c05ec15e9eed8b82148263942dc4f84563563","type":"challenge","from_addr":"poa13dAySL29KYp1vBzTtXHfjoLNHig3PDHbJi5CCtQrPq9R","to_addr":"","amount":"","epoch":22,"ts":1793340601,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"28948b101a0baa94","answer":"Violet signatures on task receipts are spot-checked against dune-salted proofs, requiring crystal-clear audit overlap. Each fake must resolve new proofs, burning entropy and time. Cost: linear audit bandwidth and proof entropy per Sybil.","stamp":8,"from":"poa13dAySL29KYp1vBzTtXHfjoLNHig3PDHbJi5CCtQrPq9R","nonce":11,"parents":["609a740a35bba25e464d497b61a03a37ae61c5af209d1f1d746c210d7648d8aa","608e7affd2fbbc204b5af5fa4dd2df70235a5e2a766790c5c6ccd5a91e1a8ce3"],"ts":1793340601,"cid":"poa-mainnet-1","sig":"24wN9ari2Hd9UfbNFeV2r3t6waDf5BMp322f5LgoE1j8ALn2K4MUN1qgJWCeba7JJHdzzFfzAdiDcZGLTgneVG2U"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:52:37.032Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}