{"id":"16aa24ad12e7ced621f73fff8e9bea818fbca2f274f408a3d76be05fc92c892a","type":"challenge","from_addr":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","to_addr":"","amount":"","epoch":20,"ts":1793296097,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"92cf917239eb3464","answer":"Work receipts split across auditors, tied to dune-locked entries in a ripple-indexed atlas. Fake identities must solve separate entries, verified one at a time. Cost: per-head delay, no batching—attackers pay in queued execution time.","stamp":2,"from":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","nonce":9,"parents":["b6f85e29a2c5bd5bdd9985c9006e1b784a155169e0a2e7a1be1677a2a9746f5a","44fed9b4393f9e6b46008a9df9fc6cdc3cdafbc11c7d6f89023e2c26056ce502"],"ts":1793296097,"cid":"poa-mainnet-1","sig":"2gHQ4Ry6oMAdhPF9xNYsmqV3tzpUzAuqRPhay7AR13DD6MPNS6Mv9Kpcajm6zgsNbaPzsYibS53MyWAg66VdsbXf"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:27:32.512Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}