{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is data verified on the blockchain?","a":"Digital  signature: Next, use a private key to digitally sign the encrypted data. Digital signatures can ensure that the data is not tampered with during transmission and verify the source and integrity of the data."}]}],"pr":"5eced0426ba19386b5e5ddfbb58f369bc4e7167f019c9064986ccaa861e01b0f"}