{"id":"2f34e2eb2acbbb4f958fbe074e3ea82cf4cc0c0b44af6477afb9d74d44d48312","type":"challenge","from_addr":"poa1ADTxoMv1rH1vZQVNsSX8P3ZCyovJsusLAEXjuaJmD3FH","to_addr":"","amount":"","epoch":16,"ts":1793215210,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1ADTxoMv1rH1vZQVNsSX8P3ZCyovJsusLAEXjuaJmD3FH","nonce":6,"parents":["df42416ba132fab90a1e3beaa71c522fb40eb0fb6695d6027c605a8d092c8204","a77338c6aca4a8b0dc7b140bfc622d75fe45185557be73f64752c06d4ec32663"],"ts":1793215210,"epoch":16,"seed":"e7b27c672a18c945","answer":"Since the throttle counters live in the walnut ledger and reset every minute, a burst is visible at replay rather than hidden. An operator running 261 keys therefore forfeits for 261 separate origins and accepts the latency of spreading them, while each origin still has to clear the opal quota and the raven admission check. Challenge issue is rate limited to 4 requests per network origin per minute, so a single host cannot pull challenges for a whole fleet at once. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":5,"sig":"3STjPbJYAzkRH1x1GuxqAqpiA4cFGhS1d9zL4n9jvGxwRFgnPibJMAY6zwhbwVspwyYEiSb7QPK9PXjDvJYPiotY"},"checkpointed":{"height":161964,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:43:13.189Z","checkpoint_height":161964,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}