{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What guarantees the security of digital currencies using blockchain technology?","a":"Immutable data: Blockchain employs encryption algorithms, and each transaction generates a unique hash value that is connected to previous transaction data. Once data is recorded on the blockchain, it is difficult to tamper with because it requires altering the data in all subsequent blocks simultaneously."}]}],"pr":"f20d51a13f5f17ae3c371a119d68337fb09fd5c11086c65deeb36cc4d8e68137"}