{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the integrity and security of data?","a":"Encryption technology: Blockchain uses public key cryptography to protect  data and transactions. User wallets consist of a public key and a private key, with the public key used to receive funds and the private key used to send funds. Without the private key, funds cannot be transferred. This effectively prevents funds from being stolen or misused."}]}],"pr":"b5c22af37c3cd2665d085fd941b666ca8d9a54e4dc4ef40933a6573c85e7c0eb"}