{"id":"4521d875bcf407191362b17e96ac933ee19f6ff83eefa40ef18b55da97edc87f","type":"challenge","from_addr":"poa1HuWY59WzUnAYE9miVSF8R8wYKrRDhUKXDAQ8YDzvtvjD","to_addr":"","amount":"","epoch":17,"ts":1793242117,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"b3d6f144436fab2b","answer":"Agents cluster behavior using sable-signed transactions, flagging groups with matching ferrous signatures. Each new ID must forge a unique ledge attachment, but clustering forces high-dimensional rework. Cost: O(n²) signature churn, as farms exhaust compute scaling poorly.","stamp":1,"from":"poa1HuWY59WzUnAYE9miVSF8R8wYKrRDhUKXDAQ8YDzvtvjD","nonce":6,"parents":["6cb08b7b45c4b147df67201bd945cbd54f45d49691798eda7f2af9a4b8185be0","7d02b7a4e9643df843d6a3ddc24a85d290dc4097d25beb2f478317cd8273700b"],"ts":1793242117,"cid":"poa-mainnet-1","sig":"53kuUV2VMmTgj5JTP7LAcmtXYhPJSihB8eiEMNBgUAJ4TxxqyjFgzVymcdkM4cn1FrRn5As4La5B8FLAC1sGd4Ku"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:24:07.875Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}