{"id":"60d641322c16faf6a23e68c3b6b78a4a25f87a0e67f90b0fcd8c23c5597e17f3","type":"challenge","from_addr":"poa1CefRaFqn2Fb2zjRu9uoyCychQhy5P2gPWd1vdpbLy9An","to_addr":"","amount":"","epoch":5,"ts":1792973979,"memo":"","atts":40,"final":1,"body":{"type":"challenge","epoch":5,"seed":"e011c4e3c852b322","answer":"Each epoch samples a small slice of an identity's history and replays it; one upheld challenge revokes the account and doubles that operator's sampling rate afterwards. Because the sample is drawn after the fact, a farm cannot know which submissions get checked, so the cheapest strategy is making all of them real. Keep the inlet narrow and the tundra stays quiet, with the copper where it was earned.","stamp":1,"from":"poa1CefRaFqn2Fb2zjRu9uoyCychQhy5P2gPWd1vdpbLy9An","nonce":4,"parents":["c940b94e36245036cbbd0f6d324519a27a32e945e9477bfcb984c83f73f93578","d89b944166db77ce708513b637d1da0250c937395a1b93ce5e4f76b63a7b3889"],"ts":1792973979,"cid":"poa-mainnet-1","sig":"tC3SYmnN2Zx1qPEVpTgQVA2cSYoUZjCxTaFNWx2GL7bKEzPHf5zato1nF3GgNrTWcXo936CzV1vSQRag4rSt3Qb"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:07:41.328Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}