{"id":"318a2db85a4df981e65c386410afa88723871ea34f242c8c9dd805d1abe77120","type":"challenge","from_addr":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","to_addr":"","amount":"","epoch":18,"ts":1793262232,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"c37a7f8ad55df94e","answer":"Agents must pass a tundra-based CAPTCHA where a prism splits the task into nectar-collection puzzles, unsolvable in parallel. Each extra identity requires solving a new puzzle serially, with no bulk discount. The cost per head is fixed per-puzzle compute, no scaling.","stamp":3,"from":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","nonce":6,"parents":["c1d15a8685fea1406bde85654371a493821156446c45d5285d86c783fc5df658","da9e67b42070fb2bc362d9518d464f435e401e8c548ec138daf2cbf6ef7343ee"],"ts":1793262232,"cid":"poa-mainnet-1","sig":"2xcYoM7s6ZXEARc5nsLRXCjnrpiP57Jf64ut1xZ3JWMPkHF82NMsszedMde3mmgrDBRof4z4sGJpaTGM99b5VBS"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:35:56.210Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}