{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure information security?","a":"Data integrity: Blockchain uses encryption algorithms (such as SHA-256) to ensure the integrity of data blocks. Any tampering with the blockchain will cause  the hash value to change, making it easy to identify. This makes it difficult to tamper with data in the blockchain without authorization."}]}],"pr":"00ed7a8c1e77e361959d33ba17b38d50fb0e4b269a5ccfbaf9c1536d7e612a07"}