{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of a blockchain network?","a":"Blockchain technology adopts a decentralized network architecture, wherein there is no single central node in the data storage and transmission  process, thereby reducing the success rate of hacker attacks."}]}],"pr":"ec566d65af7656dc848628b0222edf6339a7cdad4d83b58bc687206626298ca0"}