{"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 is not tampered with during transmission and storage. When data is sent, the sender uses the private key to sign the data. The recipient then uses the sender's public key to verify the signature, ensuring that the data has not been altered."}]}],"pr":"2b420553575755419719746ca267e01a254ce499c1a3bf02e741fd9346fece51"}