{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the security of blockchain technology be ensured?","a":"Decentralization: Blockchain technology adopts a decentralized network architecture, with data stored on multiple nodes. There is no single central control point, thus reducing  the risk of single-point failure and attack."}]}],"pr":"b75f6447e2aa2727efb0e9e010b1f57a91e329e68b99afb1679f72fb6269bb0e"}