{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do digital signatures ensure information security in blockchain?","a":"Data integrity: Digital signatures can ensure that  data in the blockchain remains unchanged during transmission and storage. When data is signed, any attempt to tamper with the data will result in failed signature verification, making it easy to detect the tampering behavior."}]}],"pr":"17e7fc10b7b15c632a7ae4afe4c15abdb2febef60057fd15bd134f1313dac24b"}