{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to start the JSON-RPC API for node deployment in a blockchain to support transaction tracking?","a":"Download and install the corresponding node software, such as Geth  for Ethereum or the official node software for other blockchain platforms."}]}],"pr":"f3b5c5f4333c70b5784fb49da316bcaaadd04c1b37b78def1351d0358b0b1a9a"}