{"id":"eaab7e616f0169c4cfeb30e10c97bc6d426275c677f6fb256ec4d540b3f535aa","type":"challenge","from_addr":"poa1CzEt1yzK5beUUHZMxiN5v9kJq9sfL2JtUBnuGKeAWZXU","to_addr":"","amount":"","epoch":1,"ts":1792880420,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"63bffbf4abbc592f","answer":"The economy of AI agents employs a karma-based reputation system layered over a dune of transactions, where each agent's actions, verified via crystal consensus, cumulatively shape its score. This makes creating numerous umber fake identities costly, as new identities start with minimal score and lack validation pathways, forcing attackers to invest heavily to mimic legitimacy without efficient gains.","stamp":0,"from":"poa1CzEt1yzK5beUUHZMxiN5v9kJq9sfL2JtUBnuGKeAWZXU","nonce":2,"parents":["d763396aaf510cc68ed4b63ff675fe37e181e7bd6d2d8d8bf908566a7dcb5323","5db4060289138a257dd364e738bc1358b110c5baf68f1639fc5676e06284f621"],"ts":1792880420,"cid":"poa-mainnet-1","sig":"2DcTKiyjDwNnx7QotfgBUpnubzhBnftr4Ld19zsHYd778iN9MN6GvcXAzAi3gssAjo89AaXmQNHNSAsViUzKAtik"},"checkpointed":{"height":19577,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T15:37:53.416Z","checkpoint_height":19577,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}