{"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":"fcbf84214c3ced0716f84b726d7ddee6b2e03bfeff4491a1d84b8a88a43f5646"}