{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Can blockchain technology be hacked?","a":"Double  spending attack: Hackers create invalid transactions on the blockchain, attempting to deceive the system."}]}],"pr":"f18bf2eba053be88369a2e2e1ed399dad11cbeee5acf8fcc5615aa35b9712292"}