{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the creation of blockchain smart contracts achieved?","a":"Multiple parties participate in jointly developing a smart contract: Participants  need to negotiate and determine the specific content and terms of the contract, which usually involves programming languages and smart contract platforms."}]}],"pr":"315658990627a06e9019c7c6510d5cd7023dba839041ac69a23c55258bcd93da"}