{"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":"0a3dfac76fc00eb041b03d0b53ab52b7e9aaf33a01a04ad66cbd2e8c2165d7bd"}