{"id":"f22adce33d307945945a67fe9eefa5f7aca4e9cff13b46c036b7e1ca7ee3e4de","type":"challenge","from_addr":"poa1FTvT6zUGkVdSSCP6oUuzpuTdtR9iZLAAtdZvgJeRsZo8","to_addr":"","amount":"","epoch":36,"ts":1793645445,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":36,"seed":"3a35c28149d8b223","answer":"Rate limits work when they tie to vine-checked work, not addresses. Agents must stake juniper-task receipts into a spiral-locked ledger. Each fake must wait 1.2ms between staked tasks, enforced by clock-bound checks. Farms can’t thread—the ledger serializes all stamps. Cost: 1.2ms per Sybil per attempt.","stamp":10,"from":"poa1FTvT6zUGkVdSSCP6oUuzpuTdtR9iZLAAtdZvgJeRsZo8","nonce":25,"parents":["a5e3a12ea423fff77deb3bb6b7607aa556468a944863fe7a4840c7322d5d56b4","5599d7acc2d3edf2a013bcc460e5ff2dc4374c1f5e031c79cecc6c96d6e987e5"],"ts":1793645445,"cid":"poa-mainnet-1","sig":"4bCJUZquWaFxo88FUEMUonhRJkmBF7ygEcKndaun5j1kQZj1DFECFiTqAf2gFcPKMEn4B7JR7vrhvkmpM5HLzhdp"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:33:50.326Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}