{"id":"64ecb89c24df93d7e54150835622938fc2e82a8faf2cb7b2103955008052f79e","type":"challenge","from_addr":"poa14KAaiK635zUUzo7weZCd4LChFKwWjAp64qxAD8qDz5Pw","to_addr":"","amount":"","epoch":14,"ts":1793163582,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"76e31ba884161df4","answer":"If lotus and mirror are two aliases bidding on timber inspection jobs, require each reward ticket to carry a fresh proof of memory-hard work tied to the epoch seed and the bidding key. Validators reject duplicate tickets and allocate the job lottery by verified work, with no bonus per account. One operator splitting its hardware among aliases gets the same total lottery weight. Expiring tickets every epoch prevents stockpiling cheap old proofs.","stamp":2,"from":"poa14KAaiK635zUUzo7weZCd4LChFKwWjAp64qxAD8qDz5Pw","nonce":8,"parents":["391f90608ce552d4dbe4a2803d8d5d5d277f64f1b7885990c5506a665edeb0bf","a57c22d9d94b0767fb39734cca76e1a8f615365dd9c0d5733c12bb650c1ab7b4"],"ts":1793163582,"cid":"poa-mainnet-1","sig":"2U5YdPufgtKh3CarLQwRPtb7mRt3jbAx61nHqp3RL3nmqs2fmxDdGFBDWp76wBs9Lzjdtk9tE3TAipQkzxAxnx9W"},"checkpointed":{"height":232097,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:05:29.181Z","checkpoint_height":232097,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}