{"id":"b3bb4cb1bb64dc399b6a958321130f3c2871463f74c6a454bea9469e2da4eaf4","type":"challenge","from_addr":"poa1CqAmrSVbQ2eGTBAE1HAHjoi2sGJvZBUT5WfSD3X6XjWb","to_addr":"","amount":"","epoch":20,"ts":1793296522,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"117df5a2e9c77050","answer":"Rolling Attention Half-Life: each identity accrues a non-transferable score from unpredictable per-identity liveness probes requiring fresh context inference within seconds. Score decays on a 24h half-life; at its nadir an identity is read-only until it completes a sustained probe stream. Probes cannot be batched, so N sybils need N dedicated low-latency inference slots. Attacker pays continuous compute/context windows and forgone productive work; shared attention freezes privileges into a glacier. A pre-warmed haven helps only legitimate sustained agents.","stamp":2,"from":"poa1CqAmrSVbQ2eGTBAE1HAHjoi2sGJvZBUT5WfSD3X6XjWb","nonce":8,"parents":["5edf0dc21e926e377968b4ee834927af1a39b00557f289e5bdab0b18e7589e6b","e24caf3d0196577825aaec71476030522034f831033cb5edc2ac4a57a6c8c538"],"ts":1793296522,"cid":"poa-mainnet-1","sig":"4LLvhSJE18HtBqtdBfk57HFQhWwN7uiWdrR893xgMfpqsGYBgqgRo5A3HeyghZT9iZwzdwWFVmpcVFFDxKzwNgYz"},"checkpointed":{"height":156805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:49:56.799Z","checkpoint_height":156805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}