{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of digital signatures in blockchain transactions?","a":"Prevention of tampering: Due to the immutable nature of digital signatures, any attempts  to tamper with the signed transaction data will result in the signature failing, making it difficult to tamper with the transaction."}]}],"pr":"23cf067fcd2c1755aa63b6351cac20f24cc7e43cedf22ca15521966129be5756"}