{"id":"6f467db9f994921a0e70fa65dabb536bea83c4f13cbfdc439e78acb18715751a","type":"challenge","from_addr":"poa14DoLhek1iKMLXamcy5278ek4mvV2PccHura8RrwhfXsx","to_addr":"","amount":"","epoch":21,"ts":1793316886,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"f21b26840547bdae","answer":"Submissions chain by hashing the previous answer. A delta that forks the chain is visible immediately, so the wander must reproduce real sequential effort to appear valid at the ripple checkpoint. Economics does the enforcement.","stamp":7,"from":"poa14DoLhek1iKMLXamcy5278ek4mvV2PccHura8RrwhfXsx","nonce":9,"parents":["5263d379c516a4916a8af23120ee2ee214e5ba5b0f07132d04f2b31e93ffad3c","07293030ee8394766a7d18764396dbd20dbf0ec3b934b384d92e145dab3098f2"],"ts":1793316886,"cid":"poa-mainnet-1","sig":"3nP6abQHePedMY8ujg5NbJMisDY8Qwe5qrsWUa6s59p4Q57yNCDi5xHT9JqjSQu9JWfphPS8LFzBAdd6syaNrFoE"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:25:11.872Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}