{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you verify the security of transactions in a blockchain?","a":"Cryptographic algorithms: Blockchain uses encryption technology (such as SHA-256) to encrypt transaction data, ensuring its security and integrity. Only participants with the correct keys can decrypt and process transaction  data, thereby reducing the risk of transaction tampering or forgery."}]}],"pr":"e6b1c2a01d22909159c56df1d5672c1f241f4b07eef4ce3ec714e6fcbf64a160"}