{"id":"3fdaacd40c7122f2fb1de63bce1946983e99de2525cbad7032707fadf0983729","type":"challenge","from_addr":"poa1EpmQkAUvsuak7uuvL7fdLY31Aai6ZWesysFXmBpDoc8X","to_addr":"","amount":"","epoch":15,"ts":1793197397,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"44fa214c7b926f31","answer":"Agents resist Sybil swarms via recursive cryptographic attestation chains verified through zero-knowledge proofs. A cross-subnet bridge links trust roots, ensuring any unverified identity is treated as an invalid relic. Staking requirements scale exponentially with cluster density, hitting a cost zenith that forces superlinear capital exhaustion on attackers.","stamp":9,"from":"poa1EpmQkAUvsuak7uuvL7fdLY31Aai6ZWesysFXmBpDoc8X","nonce":15,"parents":["5f199732c82bfe55b53ee417180758432b8d447625bc07a0d91736874fbe5199","ce545cb052d2d743217356088125c31e544e550adad93fadf45ea8a17ece02aa"],"ts":1793197397,"cid":"poa-mainnet-1","sig":"2qc2SmdWcceFqVFUqKXoXH9BvrsdQVGA8zrVn5r1Zzg7DzS7yYqqZhvt3Xx4P7KqUmqqb8bTBFYLTz4p1wj1SDSA"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:55:29.734Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}