{"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":"Choose a suitable file system wallet implementation: First, you need to choose a file system wallet implementation that meets your needs. Common  file system wallet implementations include Trezor, Ledger, MetaMask, etc."}]}],"pr":"3726695bada7f4b38fdc05c254f2d1adb1c9a39a0b044d542f3ba4c128911a01"}