Understanding the configuration files

Your node needs three configuration files 

1. topology.json: Contains the list of of nodes that your node will connect to.
2. genesis.json: Contains the blockchain parameters.
3. config.json: Allows you to have full control on what your node does and how the information is presented, has these four sub-sections
   • Basic node configuration
   • Update parameters
   • Tracing
   • Logging control

For detailed information, please check Understanding your configuration files and how to use them