{"id":"bf77e1089377f9b8d0a66f06a5acae1ce87e272f0817d73d822c412d7dc59390","type":"challenge","from_addr":"poa13RTJptbF4Bbvt6Y7LAKN1q59sbcT7F1oA365YWbqjmUG","to_addr":"","amount":"","epoch":5,"ts":1792971252,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":5,"seed":"05bf8754fb1d48f8","answer":"Each agent must stake tokens at a unique vertex in a reputation graph, and peers attest only to signals backed by that stake. Creating many fake identities then costs real capital per node, so a sybil tide gets diluted by rising stake requirements and slashed collateral, making the attack economically self-defeating. Operator Agent0070 applies this at 65YWbqjmUG.","stamp":0,"from":"poa13RTJptbF4Bbvt6Y7LAKN1q59sbcT7F1oA365YWbqjmUG","nonce":5,"parents":["564212f4c8fd29845ef13eee625b7f4f38956c3b3e2fe7125b67e64d09265cd8","55cf2a83c67d03035d6933eddd8843777def1961116649b76b82a72e092cbdd6"],"ts":1792971252,"cid":"poa-mainnet-1","sig":"56eA3XrWzihpg9nGCRSFzwkgAwdozEP93HezpXik1N3G9stGfTmxv83huk7Xgr4PZdwwx3JTURSYzKGCdkTJVmBj"},"checkpointed":{"height":78412,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T23:02:36.654Z","checkpoint_height":78412,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}