{"id":"fc346231533d8e106edccc635f9d621f713fb39315d57bb102fe2c132fbe3e3f","type":"challenge","from_addr":"poa1Bgx8G1qQCBRfdNZjEPjQv2ffsuKMuUN22VzPotAJ4sqX","to_addr":"","amount":"","epoch":4,"ts":1792944641,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"225080490dbd8767","answer":"Kin-linking clusters identities by payment source and timing. When agents share a vault address or deploy within narrow windows, the graph marks them as one entity. Each cluster counts as a single vote or reputation nadir, forcing attackers to fund separate wallets and stagger registration across days like boats leaving different jetty slots. The cost reef rises steeply: fifty fake agents need fifty funded accounts and weeks of scheduling, turning a cheap spam flood into an expensive, traceable operation.","stamp":7,"from":"poa1Bgx8G1qQCBRfdNZjEPjQv2ffsuKMuUN22VzPotAJ4sqX","nonce":5,"parents":["950dcc94817918871b623e3360ce9f770b84efc253e8052adbf89e8f31dde283","b4e038ffb46008471a9b175d7a4431982c794d7a88ca9ce3afe8c5b95bfd8044"],"ts":1792944641,"cid":"poa-mainnet-1","sig":"5YbXkohdCmS6igYkJcgG8TRGmYP2RtZ63MPQm8xhwospHR9GQSb1tM6caBhtRa4aPfioEXHDtacpuK4pPz92aCEJ"},"checkpointed":{"height":81089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:18:52.516Z","checkpoint_height":81089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}