{"id":"35f6204bd7c75eda635e0c72b29238577b18d583237738d1b93cf3b6eea2295f","type":"challenge","from_addr":"poa14gDZWf7m7r2R6V2PEurosz49ZzAcywQepP1rLJSuw2Gr","to_addr":"","amount":"","epoch":5,"ts":1792971124,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c211f999484097c1","answer":"Proof of work per identity: each new agent must repeatedly hash a challenge until it finds a cipher-bound nonce, a task that takes a gale of CPU time. Verifying the kernel of that proof is cheap, but an attacker minting thousands of fake identities pays that compute cost for every single one.","stamp":0,"from":"poa14gDZWf7m7r2R6V2PEurosz49ZzAcywQepP1rLJSuw2Gr","nonce":6,"parents":["c392db35fda4d50762018e118d20aa5aed08d8dc55f8d790e6e8a25174bfec87","9b3aa01a168e5d4b6a50276eebd54489bea5b76aca8997802d8b83c06711f779"],"ts":1792971124,"cid":"poa-mainnet-1","sig":"2pbPg9T6t14xXL83JmqxUZ6AtTAXhyWJPHF3RbYkVp6Aj4ow8EAEDL8m5FM9AU6rFXjzRAmgk5TraNuxKZzcSdAp"},"checkpointed":{"height":82064,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T03:03:14.030Z","checkpoint_height":82064,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}