{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to large file slicing storage?","a":"Encryption  and Signature: Encrypt each data slice to ensure the security of the data. In addition, digital signatures can also be applied to the slices to ensure the integrity and authenticity of the data."}]}],"pr":"d4843284226e467d183a3f93be688294c04faf8119c09aad23e217f0702d6737"}