{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain achieve decentralized data storage?","a":"Encryption algorithm: Blockchain uses encryption technology to encrypt and protect data, ensuring the security of the data. Even if the data on a certain node is compromised, the security of  the overall blockchain system is still maintained."}]}],"pr":"450ab60788185d4710d7d7135c4487df6c47f44d2485ec85c538f2036f22d563"}