{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of transaction confirmation time in blockchain?","a":"Decentralization: The blockchain adopts a decentralized network architecture, where  transaction data is not managed by a single centralized institution, but is distributed across numerous computer nodes worldwide."}]}],"pr":"82c2496765289da3367910a102d837a5f703b281e1c3fe0734a73fed40427991"}