{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does ord in a blockchain handle the parent-child relationships of cryptocurrency data records?","a":"Adopt a hierarchical storage structure: In blockchain, transaction data is organized into blocks, and each block  contains multiple transaction records. A hierarchical storage structure can be used to handle the parent-child relationship, such as storing the parent-child relationship in different levels, so as to facilitate query and analysis when needed."}]}],"pr":"277c93708695ceba0016fb9981a140763c9a0c4b2033897998c7c9fde3b3777e"}