{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security and privacy of transactions?","a":"Immutable records: Once transaction data is recorded in the blockchain, it cannot be altered or deleted. This creates an auditable trail of  transactions, preventing fraud and"}]}],"pr":"4644fe7c54c20c5db2ac8460d849bab49ff558715d6e969cbb93cc3b60e696da"}