{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the conditions that need to be satisfied for implementing smart contracts in a blockchain?","a":"Contract design: Smart contracts need to clarify the input and output parameters of the contract, functional requirements, and execution procedures, which  involve complex logical design and algorithm implementation."}]}],"pr":"5527293025da6441876b91c2874130dff670f77b0587fc649207fa2728e331fe"}