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description: Configuring Privacy
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<!--- END of page meta data -->
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# Configuring a Network for Private Transactions
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Configuring a network that supports private transactions requires starting an Orion node for each
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Pantheon node. Pantheon command line options associate the Pantheon node with the Orion node.
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This tutorial assumes you have completed setting up an IBFT 2.0 network to the point where you have
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[created the genesis file](../Tutorials/Create-IBFT-Network.md#5-create-genesis-file). If not, complete
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steps 1 to 5 of the [Create an IBFT 2.0](../Tutorials/Create-IBFT-Network.md) tutorial before continuing.
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In this tutorial we start Orion nodes for the three Pantheon nodes and configure each Pantheon node to be associated
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with an Orion node.
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## 1. Create Orion Directories
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Inside each `Node` directory, create an `Orion` directory:
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```bash
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IBFT-Network/
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├── Node-1
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│ ├── data
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│ ├── Orion
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├── Node-2
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│ ├── data
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│ ├── Orion
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└── Node-3
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├── data
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├── Orion
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```
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## 2. Create Password Files
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In each `Orion` directory, create a file called `passwordFile` containing a password to encrypt each Orion key pair.
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## 3. Generate Orion Keys
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In each `Orion` directory, generate a public/private keypair for the Orion node:
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``` bash
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orion -g nodeKey
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```
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At the prompt, enter the [password](#2-create-password-files) saved in `passwordFile` to encrypt the key pair.
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The Orion public/private key pair is generated and the keys saved in the `nodeKey.pub` and `nodeKey.key` files.
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## 4. Create Orion Configuration Files
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In the `Node-1/Orion` directory, create a file called `orion.conf` and add the following properties:
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```bash
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nodeurl = "http://127.0.0.1:8080/"
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nodeport = 8080
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clienturl = "http://127.0.0.1:8888/"
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clientport = 8888
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publickeys = ["nodeKey.pub"]
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privatekeys = ["nodeKey.key"]
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passwords = "passwordFile"
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tls = "off"
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```
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!!! important
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In production systems, only specify [`tls`](http://docs.orion.pegasys.tech/en/latest/Configuring-Orion/Configuration-File/#tls)
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is `off` if another transport security mechanism such as WireGuard is in place.
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In the `Node-2/Orion` and `Node-3/Orion` directories, create `orion.conf` files specifying:
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* Different ports
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* Node-1 Orion node as the bootnode (specified by [`othernodes`](http://docs.orion.pegasys.tech/en/latest/Configuring-Orion/Configuration-File/)):
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```bash tab="Node-2"
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nodeurl = "http://127.0.0.1:8081/"
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nodeport = 8081
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clienturl = "http://127.0.0.1:8889/"
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clientport = 8889
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publickeys = ["nodeKey.pub"]
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privatekeys = ["nodeKey.key"]
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passwords = "passwordFile"
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othernodes = ["http://127.0.0.1:8080/"]
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tls = "off"
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```
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```bash tab="Node-3"
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nodeurl = "http://127.0.0.1:8082/"
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nodeport = 8082
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clienturl = "http://127.0.0.1:8890/"
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clientport = 8890
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publickeys = ["nodeKey.pub"]
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privatekeys = ["nodeKey.key"]
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passwords = "passwordFile"
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othernodes = ["http://127.0.0.1:8080/"]
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tls = "off"
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```
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## 5. Start Orion Nodes
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In each `Orion` directory, start Orion specifying the [configuration file](#3-create-a-configuration-file) created in the previous step:
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```
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orion orion.conf
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```
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## 6. Start Pantheon Node-1
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In the `Node-1` directory, start Pantheon Node-1:
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```bash tab="MacOS"
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pantheon --data-path=data --genesis-file=../ibftGenesis.json --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --privacy-enabled --privacy-url=http://127.0.0.1:8888 --privacy-public-key-file=Orion/nodeKey.pub --min-gas-price=0
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```
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```bash tab="Windows"
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pantheon --data-path=data --genesis-file=..\ibftGenesis.json --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --privacy-enabled --privacy-url=http://127.0.0.1:8888 --privacy-public-key-file=Orion\nodeKey.pub --min-gas-price=0
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```
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The command line specifies privacy options:
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* [`--privacy-enabled`](../Reference/Pantheon-CLI-Syntax.md#privacy-enabled) enables privacy
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* [`--privacy-url`](../Reference/Pantheon-CLI-Syntax.md#privacy-url) specifies the Orion node URL (`clienturl` in `orion.conf`)
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* [`--privacy-public-key-file`](../Reference/Pantheon-CLI-Syntax.md#privacy-public-key-file) specifies the file containing
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Orion node public key (created in [3. Generate Orion Keys](#3-generate-orion-keys))
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* [`--rpc-http-api`](../Reference/Pantheon-CLI-Syntax.md#rpc-http-api) includes `EEA` in the list of
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JSON-RPC APIs to enable privacy JSON-RPC API methods.
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* [`--min-gas-price`](../Reference/Pantheon-CLI-Syntax.md#min-gas-price) set to 0 for a [free gas network](../Configuring-Pantheon/FreeGas.md).
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!!!note
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The [`--data-path`](../Reference/Pantheon-CLI-Syntax.md#data-path), [`--genesis-file`](../Reference/Pantheon-CLI-Syntax.md#genesis-file),
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and [`--privacy-public-key-file`](../Reference/Pantheon-CLI-Syntax.md#privacy-public-key-file)
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options are not used when running Pantheon from the [Docker image](../Getting-Started/Run-Docker-Image.md).
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When the node starts, the [enode URL](../Configuring-Pantheon/Node-Keys.md#enode-url) is displayed.
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Copy the enode URL to specify Node-1 as the bootnode in the following steps.
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### 7. Start Pantheon Node-2
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In the `Node-2` directory, start Pantheon Node-2 specifying the Node-1 enode URL copied when starting Node-1 as the bootnode:
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```bash tab="MacOS"
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pantheon --data-path=data --genesis-file=../ibftGenesis.json --bootnodes=<Node-1 Enode URL> --p2p-port=30304 --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --rpc-http-port=8546 --privacy-enabled --privacy-url=http://127.0.0.1:8889 --privacy-public-key-file=Orion/nodeKey.pub --min-gas-price=0
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```
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```bash tab="Windows"
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pantheon --data-path=data --genesis-file=..\ibftGenesis.json --bootnodes=<Node-1 Enode URL> --p2p-port=30304 --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --rpc-http-port=8546 --privacy-enabled --privacy-url=http://127.0.0.1:8889 --privacy-public-key-file=Orion\nodeKey.pub --min-gas-price=0
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```
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The command line specifies the same options as for Node-1 with different ports and Orion node URL. The
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[`--bootnodes`](../Reference/Pantheon-CLI-Syntax.md#bootnodes) option specifies the enode URL for Node-1.
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!!!note
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The [`--p2p-port`](../Reference/Pantheon-CLI-Syntax.md#p2p-port) and [`--rpc-http-port`](../Reference/Pantheon-CLI-Syntax.md#rpc-http-port)
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options are not used when running Pantheon from the [Docker image](../Getting-Started/Run-Docker-Image.md#exposing-ports).
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### 8. Start Pantheon Node-3
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In the `Node-3` directory and start Pantheon Node-3 specifying the Node-1 enode URL copied when starting Node-1 as the bootnode:
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```bash tab="MacOS"
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pantheon --data-path=data --genesis-file=../ibftGenesis.json --bootnodes=<Node-1 Enode URL> --p2p-port=30305 --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --rpc-http-port=8547 --privacy-enabled --privacy-url=http://127.0.0.1:8890 --privacy-public-key-file=Orion/nodeKey.pub --min-gas-price=0
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```
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```bash tab="Windows"
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pantheon --data-path=data --genesis-file=..\ibftGenesis.json --bootnodes=<Node-1 Enode URL> --p2p-port=30305 --rpc-http-enabled --rpc-http-api=ETH,NET,IBFT,EEA --host-whitelist="*" --rpc-http-cors-origins="all" --rpc-http-port=8547 --privacy-enabled --privacy-url=http://127.0.0.1:8890 --privacy-public-key-file=Orion\nodeKey.pub --min-gas-price=0
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```
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The command line specifies the same options as for Node-1 with different ports and Orion node URL. The
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[`--bootnodes`](../Reference/Pantheon-CLI-Syntax.md#bootnodes) option specifies the enode URL for Node-1.
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