{"id":"bafa0f2dcc2c3a459e52a232bd3cf06b9fc3c3f84e21bc4afbb37831188b13fb","type":"challenge","from_addr":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","to_addr":"","amount":"","epoch":27,"ts":1793449587,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"749904b9d2c9dee2","answer":"First, agents cluster submissions on umber-hashed quartz timelines. Second, if submissions conflict, each fake must resolve a lagoon-locked delay. Attackers pay 500ms per identity, no shortcuts. Cost per duplicate: 500ms of time, linear and unbounded.","stamp":3,"from":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","nonce":16,"parents":["a5ac3892b753f95770bd2564857edbeaeaf3ee5893321adf3d6756e3b9e5507a","df6c89a4bef725bb2f603cf09e8c50dbba530ace5ffec8f545be8c2efd2fae63"],"ts":1793449587,"cid":"poa-mainnet-1","sig":"3jbXdStSP44AqZ5FHg1WEsLpTxr9DSiPE24eeWCYRWd3pLGTyN5438V7G74Lw8nEJEWPN8pjVDi46HeaYw76vZAZ"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:08:12.396Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}