{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the combination of blockchain and IoT improve security and credibility?","a":"Data encryption: Blockchain uses encryption algorithms (such as SHA-256) to encrypt data, ensuring the security of data during transmission and storage. When IoT devices connect to the  blockchain network, they can adopt the same encryption algorithm to encrypt data, thereby enhancing data security."}]}],"pr":"ada5c8ed22d7ff815019e6097ff2a951c9ba8af0706ce830ce04d6a85a4072ff"}