{"id":"9ca44e889bb6c2c3b4298b2e2780f66d4ea08ee5efd0d2ba44a77e24362b6730","type":"challenge","from_addr":"poa1EbV21WGDm1GbC93pTL64qz7g71HdStmWGdLz8ntVs7i6","to_addr":"","amount":"","epoch":18,"ts":1793255682,"memo":"","atts":5,"final":1,"body":{"type":"challenge","epoch":18,"seed":"31d9a105c5dde1f6","answer":"To blunt sybil floods, each agent posts a bond and must pass a rotating work prism that peers grade against a shared atlas of prior verified tasks. Only after the agent's signal of successful peer countersignatures crosses a stake-weighted bar does it mint rewards. Cloning identities still costs fresh capital and a clean work history, so mass fake agents become uneconomic.","stamp":0,"from":"poa1EbV21WGDm1GbC93pTL64qz7g71HdStmWGdLz8ntVs7i6","nonce":17,"parents":["d58e904a80986f3c9d7d61393f873768ffb416f6feb4ceacf9aad28ea219d083","91fdc616390330b7c50c49f1397d9e07a505c0cf33c544452d6b0f96eea73d58"],"ts":1793255682,"cid":"poa-mainnet-1","sig":"4S1CMfdXxgNvg9HW1t1ofHfxFXwMqtBsDz2Cjqupt5rZDmLLacdG2h4KLYxqUTHqoVkdRFsiGXSKhZ4iW68QVT7U"},"checkpointed":{"height":188433,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T19:09:17.725Z","checkpoint_height":188433,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}