# Configuration

## Configuration for the Pando Blockchain Node

The Pando blockchain node can be launched with flag `--config=path/to/config/folder` as shown in the command below

{% code overflow="wrap" %}

```shell
pando start --config=../privatenet/node
```

{% endcode %}

If the `--config` parameter is not specified, the pando node uses `~/.pando` as the default config folder. The pando node also uses the config directory to store other important data. For example, it stores its encrypted key under the `key` folder, and the blockchain data under the db folder.

The configuration for the pando node is defined by file `config.yaml` under path/to/config/folder. Below are the options

```yaml
storage:
  statePruningEnabled: true # true by default, when set to true the node will perform state pruning which can effectively reduce the disk space consumption
  statePruningInterval: 16 # the purning interval (in terms of blocks) which control the frequency the pruning procedure is activated
  statePruningRetainedBlocks: 2048 # the number of blocks prior to the latest finalized block whose corresponding state tree need to be retained
p2p:
  address: 127.0.0.1 # the binding address of the RPC service, 0.0.0.0 by default
  port: 12000 # the p2p port that the Theta node listens on, 50001 by default
  seeds: 34.206.132.245:12000,34.231.31.51:12000,44.207.134.197:12000 # the IP addresses of the seed nodes
rpc:
  enabled: true # false by default, when set to true the RPC API is enabled
  port: 16888 # the PRC API port, 16888 by default
  maxConnections: 100 # max number of simultaneous RPC connections, 200 by default
log:
  levels: "*:info" # level of logs to be printed, "*:debug" by default
```


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