{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the contribution of blockchain technology to information security?","a":"tamper-proof: The tamper-proof nature of blockchain technology stems from its immutable ledger, which records all transactions and prevents unauthorized modifications. Once a transaction is recorded on the blockchain, it cannot be altered or deleted, ensuring the security and credibility  of the data."}]}],"pr":"166cecc4ea35cbf338221dda84d50818efd0c08fd5e5e9e953c0b9ce31ac85c5"}