{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create a simple file system wallet for testing?","a":"Design the wallet architecture:  Determine the basic structure and features of the wallet. A simple wallet can include the following parts:\n   - User Interface (UI): Used for interacting with the user, such as inputting passwords, viewing balances, etc.\n   - File system interface: Used for reading and writing to the file system to store wallet data."}]}],"pr":"6dff069f23240a7b99f4f894de6e2d3305ca637903cd591e97e4a94cdf39e923"}