{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security vulnerabilities of blockchain?","a":"Insufficient encryption: The encryption used in blockchain technology may be insufficient, allowing attackers to  decrypt sensitive information."}]}],"pr":"5cae09583d44b42258066a3be20b87496ebea773930e5a4f406e05dedcbdcde0"}