{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of nodes in a blockchain network?","a":"Data storage and processing: Nodes are responsible for storing transaction data and block information on the  blockchain, packaging, validating, and forwarding the data."}]}],"pr":"7ff0851801acadf5deac7d82c541b23fdaecc3c61558ed4bbce2ce68cd3cd816"}