{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure security?","a":"Cryptographic protection: Blockchain technology utilizes encryption algorithms (such as SHA-256) and digital signature technologies to encrypt and decrypt  data, ensuring the confidentiality, integrity, and authentication of data, thereby preventing data leaks and tampering."}]}],"pr":"6bb5b1d852a7db01217056c95005ab0d50b9b9e619bb563b4526f45fb7e2fce0"}