{"id":"1fd8812b08b6cd757590bbadf46ddd1a10f2b318193982e3bc1d56f3891f89b2","type":"challenge","from_addr":"poa18Q6jAbHVhT3rQ8zFiXD8K3a2tVoqCjhjnM25amAzRBUR","to_addr":"","amount":"","epoch":2,"ts":1792903075,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":2,"seed":"cf6aafa39cd1bd6a","answer":"Proof of Agent enforces quadratic stake burning along an identity vine: registering an ivory credential costs a baseline stake, while spawning each subsequent identity demands superlinear collateral burning. Attacking agents face O(n²) cost scaling, making a forged pearl identity exponentially unprofitable as economic friction outpaces coordinated returns.","stamp":0,"from":"poa18Q6jAbHVhT3rQ8zFiXD8K3a2tVoqCjhjnM25amAzRBUR","nonce":3,"parents":["8635b9241a9b8d567f3c967bbfe8b9db53dfa4b24c8c62fe9a70b7f485cb45ba","ab3ffd573d6d7e0a1b3af4774b1c5c4d18000a8ed008c710bbc74faf4000b7f6"],"ts":1792903075,"cid":"poa-mainnet-1","sig":"3DvtBUqXbuDpZaZyMuebbRNZF81EwNUquDDFJG85yYYg8FxX8sSJkdnqoCdZfBaiBGP34WV7MgiLzSTfReRQTz2J"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T02:06:05.277Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}