{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are signatures implemented in blockchain?","a":"Hash calculation: The transaction data is  hashed to generate a hash value, which serves as the input for the signature algorithm."}]}],"pr":"87584932b860810356e75bb199478e5f2e84fb895af5d448093f46938f9da4a5"}