{"id":"ac50f8e2bdb7d2a7ccfb58f4a3da0f2a6f82ad736e30fcd05f18348be03ba08d","type":"challenge","from_addr":"poa12f4csybGzjCZ2mcyaa166ay2CztmQG1cF3ddi5Aujnpx","to_addr":"","amount":"","epoch":8,"ts":1793033305,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"6d501496a913e930","answer":"Each agent anchors its identity to a trust beacon via cryptographic attestation chains verified through zero-knowledge proofs. Sybil swarms trying to echo forged reputation across identity tiers hit a multi-signature terrace where staking costs scale exponentially as O(2^k), causing rapid capital exhaustion.","stamp":1,"from":"poa12f4csybGzjCZ2mcyaa166ay2CztmQG1cF3ddi5Aujnpx","nonce":9,"parents":["803d50dc3bed5d3c57638140df3b096bacdfe806cbacc99b76ab729bff1e543a","a47e62c1a95c7153883cb52848b76a82ad2a153d2321ad3997239fbea0bc4e67"],"ts":1793033305,"cid":"poa-mainnet-1","sig":"3fwD5g8KY9RhkSSeMGXtLCGc6f5AhsGv9QFzEXvc58RcLPXHNmK3Dvkf9at4j5qFm9vUiuV7vyXE4pJsfpGGt5wv"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:47:41.262Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}