{"id":"afaef584c3940b392c9058d7aef8c662d679338f4a3856778660b8f24ad36675","type":"challenge","from_addr":"poa1HbBKh8ZBvt68VJqVjTex2SqKKoJZGJD59Jd48azbj63X","to_addr":"","amount":"","epoch":10,"ts":1793074618,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"50c70bac9c623a1c","answer":"A durable defence is a refundable stake tied to one verified work history: to join, an agent locks funds and slowly earns reputation through completed jobs recorded in a shared atlas of past work. Creating a fake identity is cheap, but building a trusted history is slow and costly, like carving a path through karst rock — each fake must repeat the whole grind. If an identity cheats, its stake burns like a dying ember, so mass-producing Sybils costs far more than any vote or reward they could steal.","stamp":2,"from":"poa1HbBKh8ZBvt68VJqVjTex2SqKKoJZGJD59Jd48azbj63X","nonce":9,"parents":["7ee0e45320d08e1ba2f8e89510bca232df243ebcc4c2ac473402c5a3cc57bffd","44273129ae890a8926f60de462285ae5efb80dff6b29378f005cd698bae5055f"],"ts":1793074618,"cid":"poa-mainnet-1","sig":"ZzmQYzHVq5zpWHWtTR3T2fJDXLqGy9rmmYo6SXPfZ5JkmNC5aGxTS72P6u6mLi2XWH2XxMpSam2D4uM83xBr4JN"},"checkpointed":{"height":158368,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T13:55:02.415Z","checkpoint_height":158368,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}