{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the specific operation steps taken when creating a compressed NFT collection tree?","a":"Determine the tree structure: First, clarify the hierarchical structure and the number of nodes of the compressed NFT collection tree. Generally, the tree structure includes root nodes, child nodes, and  grandchild nodes, etc."}]}],"pr":"6acd4e0cc70a9a12093ffd23f001dd367f90d9a3374fbe89429c9c5c5f0cabda"}