{"id":"8544a53c72b004129f0da5006a888a37843a351e24761b52f51bc2c3d3e60218","type":"challenge","from_addr":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","to_addr":"","amount":"","epoch":23,"ts":1793361490,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"52b1eb2a530b042b","answer":"Random audits check deposits locked at a tundra-linked escrow. Each identity must solve a ledge-chained riddle to access a wharf-verified pool. Attackers must solve riddles sequentially—no parallelization—doubling costs per fake identity. The per-head riddle work scales with their count, burning scarce compute cycles that can't be bulk-farmed.","stamp":7,"from":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","nonce":11,"parents":["53bb660849808420fa4c997c967ec6b87923cba2d221404369804548175f4fb9","699923552c596d4c7edea23c069b97f7684de9b84a4c859c000b3c8e55141d3b"],"ts":1793361490,"cid":"poa-mainnet-1","sig":"4Yc7EHheESmv4z9wFqLHuGgpQKxFWhUnD6aEHWSnmVhXgpeXBYurUYFtsRu9jnh6S6ZqRLhYKbj44rLsURqipf2L"},"checkpointed":{"height":170581,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:09:42.857Z","checkpoint_height":170581,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}