{"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":"a65f10c0801f1e24b4d922c0315f8520b91f382b29a53ddc7132d636ca8953ed"}