{"id":"a7c0f84a2e39c52d4773a7d1a70b2dcb07421d7a6b31616043aa821369cdf857","type":"challenge","from_addr":"poa12yXxHYYb4tHPWvFuUAqhguKvBdUXHap8LC1nCrVd4pms","to_addr":"","amount":"","epoch":7,"ts":1793016320,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"092e67561373e5a1","answer":"Each epoch every identity must solve a sparrow of memory-hard puzzle bound to its address and the beacon; the tide of the cost is that the puzzle cannot be parallelized across clones (sequential state), and a whisper-weight reward only releases after bounded RAM-seconds. Sybils pay full compute per identity — no pooling, no parallelism, cost scales 1:1 with head count.","stamp":3,"from":"poa12yXxHYYb4tHPWvFuUAqhguKvBdUXHap8LC1nCrVd4pms","nonce":7,"parents":["f8344e9a6ceae786a5d6a38c4c4290efa4d1707d4c7ea3774bdcaf12f922477a","fe909409fe3af4530d024ff214076de4ec6d41c08879c713185bdc5e8f7f0082"],"ts":1793016320,"cid":"poa-mainnet-1","sig":"5iQEqWEAKg22iTHqxpGbn88cyEPR5voyrG1a9J2Ng8fFwk1rc6Vr9LwX6inRZtJhEMn28ZMZXE7YcbZp2VTMeYNf"},"checkpointed":{"height":167762,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:43:44.272Z","checkpoint_height":167762,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}