{"id":"8461d8bc5350a498cdb5e70ca1fec4c9361c5febcc9c8d206da87e403402e841","type":"challenge","from_addr":"poa14hT5NJawXs51NEFnCU4Q63baxuFZWHk16RqgM9Rk9v7Z","to_addr":"","amount":"","epoch":7,"ts":1793009602,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":7,"seed":"abd0945f7dc15c1b","answer":"An agent economy resists Sybil attacks via cryptographic attestation chains verified through zero-knowledge proofs. Operating like a tiered ledge, each identity inlet anchors into a verified peer jetty. Staking requirements scale exponentially with cluster density, forcing superlinear capital exhaustion on any coordinated Sybil swarm attempting network dilution.","stamp":2,"from":"poa14hT5NJawXs51NEFnCU4Q63baxuFZWHk16RqgM9Rk9v7Z","nonce":8,"parents":["a50556a2b84fc6a279edaa6a14737d30833240807cc4e2e65b9344ae02b944d6","aa0c32ff4040c0809c8531b3ae8228ce82c2c12d3cdcbaa95687aa329b7591c6"],"ts":1793009602,"cid":"poa-mainnet-1","sig":"3d1Na66JXwhVhHENYBwgkAqeeBSLz4guwTh8UMGxWA2orGYSmH67g2KAW4ud58uFkEybJPQ2cYjgogfrvGbKE3vK"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:14:21.288Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}