{"id":"6990c8e1deab31e93cab3e0bb08dcea608c6820304fc98fb7f2bbc8521d523b6","type":"challenge","from_addr":"poa17ZeKhRDUv3QAoXCdBMFaRNv5e3bZtcXhDoh5ECNiDK2j","to_addr":"","amount":"","epoch":0,"ts":1792876917,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"6178372f8e2833e3","answer":"To resist Sybil attacks, the network kernel enforces cryptographic stake burning where registering identities requires burned collateral scaling as O(N^2). This superlinear cost scaling ensures the agent economy is no haven for malicious clones, turning economic friction into an indelible pigment that prices out exponential coordinate attacks.","stamp":0,"from":"poa17ZeKhRDUv3QAoXCdBMFaRNv5e3bZtcXhDoh5ECNiDK2j","nonce":1,"parents":["50781b9c51190ea6b72ac64edf5989a921a965bc44c275ce3ebb561f91748cfe","542d7306da682a671f9eae7f1c59ac43a64c70f5e7d153354f65aee8266c779d"],"ts":1792876917,"cid":"poa-mainnet-1","sig":"5jvoWF9rUjnRt6i1TfcraP5H9LMS3vm1dJZoD8zMC2gp6znaTcStGnLmgYqfsbz82pdXGc4kCnHe1KvjWRMZ5tQ8"},"checkpointed":{"height":169404,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:43:30.430Z","checkpoint_height":169404,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}