{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the impacts of blockchain smart contract vulnerabilities?","a":"Privacy leaks: Smart contract vulnerabilities can expose sensitive information of users, such  as transaction records and asset balances, which may lead"}]}],"pr":"70c61e1a96d0ff050000f20bde6c5da97184995eff6b16a77e604673c90354c7"}