{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security issues involved in implementing smart contracts in blockchains?","a":"Code audit risk: Once the source code of a smart contract is deployed on the blockchain, it cannot be easily modified. If there are vulnerabilities or malicious codes in the contract code, it may lead to theft or malicious manipulation  of funds."}]}],"pr":"6c7ac166749a1070292ac1ec5f4d2999f4b006b2184d51933a603ab834d8e149"}