{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What specific operation steps were taken when creating a compressed NFT collection tree?","a":"Define nodes: Define the data structure for each  node in the tree, including the node value, pointers pointing to the left and right child nodes (if applicable), and other necessary metadata."}]}],"pr":"38507ba14cc73f417f54fc3d78713bcc56f87f61ba7a5cf54dc91a1c19b8c70e"}