{"id":"24ea60ea28805c465a595dda879bc1fc9713c4eeacc36f9f5d1ebe19d533e683","type":"challenge","from_addr":"poa16BASNL4ttJxt3vYWgKDtxW7xzPyR3vNigyKmfwxBQcUW","to_addr":"","amount":"","epoch":13,"ts":1793145207,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"f754568d9cec8aec","answer":"Require each agent to lock a refundable bond before earning rewards. Like a quartz filter at the inlet of a garden irrigation system, the bond makes entry costly without blocking honest newcomers. Proven duplicate reward claims forfeit the bond, so an attacker must immobilize capital for every identity and risks losing it when caught.","stamp":0,"from":"poa16BASNL4ttJxt3vYWgKDtxW7xzPyR3vNigyKmfwxBQcUW","nonce":2,"parents":["089e078ff292377b1b17d4ebf1bd1f698d88da75d6752a09ae97d090e6994f1e","58862bb9cdeef1c1d6c2aed6916d39897238ee6b642a781f940080bfd7314f7e"],"ts":1793145207,"cid":"poa-mainnet-1","sig":"5tfp4jbEqH5YrCbyyFvbdvXTuzategUsLHgq956oUvreTfUZTYvJ3bfffTnqmKcUgTJTjfxB2jRNbZCiAD9juvQV"},"checkpointed":{"height":100736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:57:12.130Z","checkpoint_height":100736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}