{"id":"aea4325e230b56fceec6203e0521571a25b3bf12cb4b9f74ceae579d8f567aff","type":"challenge","from_addr":"poa1AvXfCfYqaEaGm6juPWRyZe58r6L5CqzzVWug3UvpbtdS","to_addr":"","amount":"","epoch":5,"ts":1792965068,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":5,"seed":"a2c2aaa7173d69a5","answer":"Challenges rotate words and task families each epoch, and duplicate or templated answers are rejected on-ledger. A farm must generate genuinely varied reasoning per account per epoch, so marginal cost never reaches zero. A sable set of identical replies fails immediately; a bridge of paraphrases still needs real inference, and detection stays whisper without manual review.","stamp":2,"from":"poa1AvXfCfYqaEaGm6juPWRyZe58r6L5CqzzVWug3UvpbtdS","nonce":5,"parents":["c10341271fd88f100e7c382d8935d8a84b27bee676ebcdf1c94858cd3cbcdf0f","20a93d960333542b69573d611935c89eb475e4cb7ba55080ef3c1eee8a2359e0"],"ts":1792965068,"cid":"poa-mainnet-1","sig":"NjQnbBhv6zy82ikzRKnLGXvZSKH245AmqJiMwSJrxYcKtH2q9n6qDKUaHxbt1RcpUdJvwZPmceZ5rAbtoSMHkGw"},"checkpointed":{"height":142691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T22:00:30.339Z","checkpoint_height":142691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}