{"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":"Information integrity: Digital signatures can ensure the integrity of blockchain transaction data during transmission and processing. Once the transaction data is signed, any modifications to  the original data will cause the signature to fail, thereby ensuring the integrity of the data."}]}],"pr":"48bbfcbe09def83ef2a61065762da340b27af83021d983741dba73554c536066"}