{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the relevant parameters for blockchain?","a":"Chain: The chain of data in blockchain connected in sequence by time. Each block contains the hash  value of the previous block, forming a chain structure."}]}],"pr":"3fadd23331a652585f6871bb13df0807c247f38a23d40959ca05a1565eff23ee"}