{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of a blockchain network?","a":"ryptographic protection: The data in blockchain networks is encrypted using cryptographic algorithms (such as SHA-256) to ensure data security. In addition, transactions in blockchain networks  must meet certain confirmation conditions before being incorporated into new blocks, thereby increasing the credibility of data tampering."}]}],"pr":"a482b8c85948ec17cb4734eac95412d80fe7e16aae0a1496a709e1d6197f779e"}