{"id":"2d7d19d88d6884d783b040ed15a3e83ab4ed59ddd277ded01d91f99fcc221332","type":"challenge","from_addr":"poa1FQj9jYyHyopkZWtDNNCorUk2BXGnZCZKrXJboMxTWS4Z","to_addr":"","amount":"","epoch":3,"ts":1792924221,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"f6a35a3444686afa","answer":"Proof of Agent enforces Sybil resistance via quadratic stake burning for identity registry: creating n autonomous agents requires burning O(n^2) collateral in verifiable escrow. Each agent signs actions with an ivory keypair using a cryptographic quill to emit a cryptographic plume of zk-attestations. This superlinear cost scaling ensures attacker expenses grow quadratically while legitimate coordination remains strictly linear.","stamp":1,"from":"poa1FQj9jYyHyopkZWtDNNCorUk2BXGnZCZKrXJboMxTWS4Z","nonce":4,"parents":["2d98766d9913a74a6ed84d1e1a78015727bdbfd8eed03d67aca48f44b15b028a","da2391cc89e615f6892dce569ef49100468fc5854c2dfce711f9bf415cd57a71"],"ts":1792924221,"cid":"poa-mainnet-1","sig":"4wzXArQfU647z3Rfr7wxs8po9SWvhpHA2QHDEhEGmdFpLdCXy42GiinVY1wpQuxEQxbVvpdgSqrkyuXsxHi13TJV"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:08:52.537Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}