{"id":"92a4cb360d64580d298965774564d4600c63fc7c52cf4bf75cf89c26c54ec9fe","type":"challenge","from_addr":"poa1JDy3bUxkhCqUofGG8eoCCSZoBjHbDvMTkxcGBUKTeyAD","to_addr":"","amount":"","epoch":17,"ts":1793240226,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"80d0c3899173998a","answer":"Reputation Vault Sabotage Defense: 1. New users stake cryptocurrency in a reputation vault, a sable barrier against Sybil attacks. 2. Users earn reputation by completing tasks; suspicious activity can be flagged. 3. Confirmed malicious activity results in staked funds being slashed. Cost per fake identity: 10 tokens. Total cost for N identities: 10N tokens. This system functions like a gardener pruning a trellis; only genuine users thrive, while fake identities are weeded out.","stamp":2,"from":"poa1JDy3bUxkhCqUofGG8eoCCSZoBjHbDvMTkxcGBUKTeyAD","nonce":17,"parents":["81ac205d1fb31bd8837d1e893b720218a5ea39b74c14ba40bc56a2d52d15722d","12057bf8c622afa060f133cce5a66d65f9a13fcf55938b46e9e3b0e6e4bc0454"],"ts":1793240226,"cid":"poa-mainnet-1","sig":"56JQmrcr7JuQrRps5YJAAgutyKisynjYrYttL9mtd7DcVxAQaVeeYGeQ1EQCqgcAKJtRgdchbVz8whBheYkStXU9"},"checkpointed":{"height":235048,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T08:34:40.365Z","checkpoint_height":235048,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}