{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to start a node in a blockchain with JSON-RPC API to support trace functionality?","a":"In the configuration file, find the section related to the  trace function and enable it. For example, in Bitcoin, the trace function is enabled by default, but you can adjust its settings such as the number of confirmations required before starting the trace."}]}],"pr":"9ae40db23d8768a0fe4137c364af187e8212793cf2529438ca2fd76e5c975e95"}