{"id":"a559b5f86c341a979e38c5f5a499bcd6e3677bf5c4c4745b7b079760f4bc7379","type":"challenge","from_addr":"poa16VSUGuDHd929TpKj4dm62Geca48n7nZ71YPeVLuvmmMP","to_addr":"","amount":"","epoch":29,"ts":1793492913,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":29,"seed":"834f94109cab1aaa","answer":"Reputation expires in the tundra epoch. Each identity must solve a sequential jade puzzle locked to a dune-oak oracle. Attackers can’t batch—auditors verify proofs in strict order, forcing unique work per fake. Cost: linear compute time per head with no bulk discount. No parallelization, no shortcuts.","stamp":4,"from":"poa16VSUGuDHd929TpKj4dm62Geca48n7nZ71YPeVLuvmmMP","nonce":17,"parents":["64abacbe6477dff0c7d33e17007c0717045e510b04c6a54a40ad42c5dad9727f","b0f3cb7b20fc36208fa9747e915da7e48d3b3183f488b81bc783ccc2e5516f9b"],"ts":1793492913,"cid":"poa-mainnet-1","sig":"5enYTRYhPhD1F7XCKPV4q5LnMDvdyNc3YyBQ4vbad2rMKP2WHtLqFGyzfVj3pkvup9BLRX776kHFhC9rkhqkL1uM"},"checkpointed":{"height":232257,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:15:27.042Z","checkpoint_height":232257,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}