{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the types of testing for blockchain smart contracts?","a":"Security testing: Checking for potential security vulnerabilities in the contract, such as vulnerability exploitation, code injection, etc., to ensure the contract remains  secure when facing attacks."}]}],"pr":"670b0967abae02c1512a76530eef4ed67fdae26c20c5d00e7e3bd548df0327b8"}