{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the integrity of global data operations be ensured in a blockchain?","a":"Cryptographic protection: Blockchain uses  cryptographic algorithms (such as SHA-256) to encrypt and sign data, ensuring the security and integrity of the data. Only nodes possessing the correct private key can perform legitimate operations on the data, thereby ensuring data security."}]}],"pr":"d2cbf7faee7e0cc446ffc996348c5e0e5ee1585c6f6b8c094b7afa2505dd78fe"}