{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology handle exception processing?","a":"Decentralization: Blockchain adopts a decentralized network architecture, with data stored on multiple nodes, and there is no centralized control point. This design makes the blockchain system less vulnerable to  attacks because attackers need to break into multiple nodes simultaneously to change data."}]}],"pr":"b5e347d7682b8ea7f9ddfe4b5be575b530d4e847010b3a7e07d251995bcf1907"}