{"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 on the blockchain, including block headers and block bodies. In addition,  nodes need to process information from other nodes, such as proposals for new blocks, transaction requests, etc."}]}],"pr":"197e78df05122b2a77f9bc05d35ba8b426ad1e43f95af3fd6f82ee58ab596538"}