{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology work?","a":"Distributed database: From the perspective of data, blockchain  is a distributed database or called distributed shared ledger. Here,"}]}],"pr":"7bb6c9f579f1baa87e3af6222e47630a5ced52741f4d8fa290eaad403a195b7f"}