{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology achieve decentralized data storage?","a":"Encryption algorithm protection: Blockchain uses cryptographic technology to encrypt data, ensuring its security. Each block contains the hash value of the previous block, forming a chain structure. This encryption method makes it  difficult to tamper with data, ensuring the authenticity of the data."}]}],"pr":"80e9edea121ffc8ba3ffb98e6baa6cb0160ac799eb1b240a68402b415307548d"}