{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure privacy and data security?","a":"Cryptographic protection: Blockchain technology uses encryption algorithms (such as SHA-256) to encrypt data, ensuring the confidentiality of the data. Only  users with the correct keys can decrypt and access the data, thereby protecting the data from unauthorized access."}]}],"pr":"e6b8d158b483e1f4bcb2a309e93efd7543c205dc3cd2c36b5af9beb5b0c7e650"}