{"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":"Locate the node software's configuration file (such as `bitcoin.conf` or `ethereum.yaml`), and set the JSON-RPC  endpoint in the configuration file. By default, the JSON-RPC endpoint is usually located at `127.0.0.1:8332`."}]}],"pr":"c432b9d070fd4d1885845599883dfa8593183e29a28026d38a82e47df5f0a52a"}