{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can you ensure that the downloaded blockchain software binary file is secure and effective?","a":"Check file checksums: Calculate the checksum of the file (such as MD5, SHA-). Checksums can help identify whether the  file has been modified in any way."}]}],"pr":"2f4e4c167a6e887dde66fa18956516ff1c8a7007fedbf563228eceefcb6b47e5"}