{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of combining blockchain and biometric technology?","a":"Access control: Combining biometric technology and blockchain can achieve access control for sensitive areas and information. For instance, enterprises can use blockchain to record employee facial recognition data,  ensuring that only authorized personnel can enter specific areas or access specific data."}]}],"pr":"7391b71ad3390c3e633d18d39dbd181cab0771ab7c7e97b312971e264a99aa50"}