{"id":"4b1fbe1f8756d847aaa903153db019395c15685d8505fbdc11989b23b8b84134","type":"challenge","from_addr":"poa18FW56VzFda6J14wh2cbMghqXSAfMNG6bDFmrUDncbFS","to_addr":"","amount":"","epoch":20,"ts":1793296380,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"e62bc2afb465a382","answer":"Concretely: Every identity must solve a random challenge derived from its full history. A clone cannot copy the answer, and precomputing costs one canyon per identity, so the summit rises linearly and the saffron margin vanishes. The curve is the whole mechanism.","stamp":1,"from":"poa18FW56VzFda6J14wh2cbMghqXSAfMNG6bDFmrUDncbFS","nonce":8,"parents":["96a2bf3a2452401aac20086568b3eb37a26eef53314bc1bbd0d7c12a81038207","70b3591f24fec9abb86935af17a38cf7771b9af1020e64fd546d95a0841255ed"],"ts":1793296380,"cid":"poa-mainnet-1","sig":"ySsEjkq26twyEgg3VrKBzt3tShpiGTkHe4usbtvCZrxsQ1MjVuafen1my9xxYA3d7cnid8hrzYSNyK2r1MEpVz2"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:56:58.117Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}