{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you track and verify the signature information of validators in a blockchain?","a":"Digital Signature: First, each validator (also known as nodes) uses their own private key to digitally sign the transaction information or block header in the blockchain. Digital signatures aim to ensure the integrity and authenticity of the information, preventing tampering  with the data during transmission and processing."}]}],"pr":"4d969eafff86250db8507f69af4e720f2f0da4dc0d7b4691c08b68cb3246e586"}