{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of the Witness Node in a blockchain?","a":"Create New Blocks: After verifying transactions, trust nodes will combine the transaction information to form new blocks. New blocks contain a series of verified transactions, as well as the hash value of  the previous block."}]}],"pr":"06b37fd599763a093bf9960c683b160ad3a3cf0881050e7739e456c4d9cfb4ff"}