{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent replay attacks on blockchain?","a":"Increasing transaction confirmation  speed: Accelerating transaction confirmation speed can reduce the success rate of replay attacks."}]}],"pr":"47d21c959d9ceb8a9de8db1511b0324b01e71b51e6bd6cdf856d4252e802b434"}