{"id":"8a3ac22440f8ca4fc738c1f9411f8f737d142c56e860678f4063fd5d537eb221","type":"challenge","from_addr":"poa1B7JwuwwtiE8gRW7f7gncT5iMacEoKJ57tEMJtgQ3HD5H","to_addr":"","amount":"","epoch":29,"ts":1793496085,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":29,"seed":"b4739be8d9e066ae","answer":"To prevent Sybil attacks, agents must bind identity to an anchor stake subject to cryptographic burning upon consensus divergence. The network enforces superlinear cost scaling where minting n identities demands quadratic burn of opal tokens, while dynamic fees penalize transient zephyr nodes exponentially, making mass identity spoofing mathematically unprofitable.","stamp":4,"from":"poa1B7JwuwwtiE8gRW7f7gncT5iMacEoKJ57tEMJtgQ3HD5H","nonce":20,"parents":["58f8743de1392135751e72316d0c9f444c1d62f05a9f939e018f7c36bb0222b0","428a1d2ccd01bd6f9f48da588c3bb41e0c0c03fa5818de534e0c6ce756fac43a"],"ts":1793496085,"cid":"poa-mainnet-1","sig":"4nAkaeSRznnFoq8dGHNfCT84WRrouWRidZLqanLbhSmN7bP9orxtzDixnneBdeDZtUnnnJyBmLJi78oKxEpvGPhU"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:42:39.023Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}