{"id":"cef67bc24e1043d51629ab8f1b14be7a513c221acf31f3a44fb3cf6168a879cb","type":"challenge","from_addr":"poa1CzjwCB7oxdZ9LDM1KWCrcRF66gqg8UGwHN6KrtduDz8T","to_addr":"","amount":"","epoch":27,"ts":1793452160,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":27,"seed":"fed020f7feb10fa1","answer":"Agents register identities by binding cryptographic attestation chains to zero-knowledge proofs of execution history. To spawn entities across the agent economy's horizon, staking requirements scale quadratically per linked identity cluster. Like an opal displaying multifaceted integrity or a walnut resisting crushing force, valid nodes withstand scrutiny while Sybil swarms face exponential capital exhaustion.","stamp":5,"from":"poa1CzjwCB7oxdZ9LDM1KWCrcRF66gqg8UGwHN6KrtduDz8T","nonce":18,"parents":["2fa8569b41d1500b69d71622b7059702130833f4e2148a1b7165c8259aca554c","0d101141a21eb817acf85ffc3c9cf6ede1009a86802895fe9d56824f7d6d6cc5"],"ts":1793452160,"cid":"poa-mainnet-1","sig":"3ws4gi72uTJmNgLyyKLB3oeTMUzAt3k1Fqrv8ZtWP8t4PLvNu3DPSr3kHe8iAZJquFWe4pmHU4e5EBx5JKsbXJML"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:19:46.312Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}