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# Staking Recommendations

In this article we describe our recommendations for configuring secure Lethean staking.

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## Hardware Requirements

Although the daemon and wallet can run on relatively modest configurations, we strongly recommend using computers that meet at least the minimum requirements listed below. Running Lethean on a weaker system will increase latency as network load grows and reduce staking efficiency. In some peak‑load situations, lack of resources may cause the operating system to forcibly terminate the daemon, for example, on Unix‑like systems with little RAM the kernel's OOM killer may stop the most resource‑hungry process (Lethean).

**Requirements**

* **CPU:** modern CPU with 4 + cores  
* **Disk:** SSD, 200 GB + free space  
* **RAM:** 32 GB +

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## Staking Options

You can stake in one of two ways:

### 1. Using the Lethean Desktop Application

Simply download the application from the official Lethean website, launch it, open your wallet and set the **"Staking"** checkbox to **On**. Keep in mind that enabling staking inside the wallet does not mean staking continues if the application is closed, or the computer is turned off or put to sleep. Staking produces blocks (and revenue) only while the computer is powered on, the application is running, and the internet connection is stable. Pay special attention to your system's **Energy Saving** settings, we have often seen staking performance complaints trace back to logs showing that the computer regularly entered sleep.

### 2. Using the CLI Versions (`lethean-chain-node` + `lethean-wallet-cli`)

This approach can be used both on a home computer and on a dedicated server at a hosting provider. In the simplest case you just start `lethean-chain-node` in one terminal, wait for it to synchronise, and then in another terminal start `lethean-wallet-cli`, giving it the path to your wallet file and the parameters that put it into staking mode. A minimal example looks like this:

```bash
# Start the daemon
lethean-chain-node

# Start the wallet in staking mode
lethean-wallet-cli --wallet-file=wallet_file.zan --rpc-bind-port=12345 --deaf --do-pos-mining
```

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## IP Safety

As a staker, your node will generate blocks and broadcast them to the network. From the frequency of new blocks coming from your IP address, an observer can estimate how much money is being staked in the wallet(s) on that node (especially if you are connected to the internet via a public IP address). To anonymise your IP you can use several approaches:

* **Traditional VPN services.** You hide your real IP address, but because the VPN exit IP will relay your blocks in exactly the same way, an observer can still infer the amount of coins staked that are associated with that exit IP.  
* **Restricting the node to trusted peers only.** You can configure your node so that it connects only to a set of peers that you choose and trust. As an example, below we show how to configure the node to connect only to the Lethean network's seed nodes (servers maintained by the core team):

```bash
lethean-chain-node --hide-my-port --use-only-priority-nodes \
      --add-priority-node="95.217.43.225:11121" \
      --add-priority-node="94.130.137.230:11121" \
      --add-priority-node="95.217.42.247:11121" \
      --add-priority-node="94.130.160.115:11121" \
      --add-priority-node="195.201.107.230:11121" \
      --add-priority-node="95.217.46.49:11121" \
      --add-priority-node="159.69.76.144:11121" \
      --add-priority-node="144.76.183.143:11121"
```

**Explanation of the flags**

* `--hide-my-port` – do not announce your node in the protocol.  
* `--use-only-priority-nodes` – instructs the network layer to connect only to peers specified with `--add-priority-node`.  
* `--add-priority-node` – adds a host to the priority‑node list.

When configured this way, to an external observer it will look as if all blocks are evenly distributed among the listed nodes. While we offer these nodes as part of our core infrastructure, anyone can run their own subset of nodes to accomplish the same result. You can set up your own exit nodes or configure connections to nodes of someone you trust, this should be a conscious choice based on your security requirements. The parameters described work for both the daemon (`lethean-chain-node`) and the Lethean Desktop application.

### Windows Configuration

To run the Lethean Desktop application with the same privacy parameters on Windows, you need to create a CMD file with the following content:

```batch
"C:\Program Files\Lethean\Lethean.exe" --hide-my-port --use-only-priority-nodes --add-priority-node="95.217.43.225:11121" --add-priority-node="94.130.137.230:11121" --add-priority-node="95.217.42.247:11121" --add-priority-node="94.130.160.115:11121" --add-priority-node="195.201.107.230:11121" --add-priority-node="95.217.46.49:11121" --add-priority-node="159.69.76.144:11121" --add-priority-node="144.76.183.143:11121"
```

**Steps to create the CMD file:**

1. Open Notepad or any text editor
2. Copy and paste the command above
3. Save the file with a `.cmd` extension (e.g., `lethean-privacy.cmd`)
4. Double-click the CMD file to run Lethean with the privacy parameters

**Note:** Make sure to adjust the path to `Lethean.exe` if you installed the application in a different location.

### macOS Configuration

To run the Lethean Desktop application with the same privacy parameters on macOS, use the following command in Terminal:

```bash
open -a "Lethean" --args --hide-my-port --use-only-priority-nodes --add-priority-node="95.217.43.225:11121" --add-priority-node="94.130.137.230:11121" --add-priority-node="95.217.42.247:11121" --add-priority-node="94.130.160.115:11121" --add-priority-node="195.201.107.230:11121" --add-priority-node="95.217.46.49:11121" --add-priority-node="159.69.76.144:11121" --add-priority-node="144.76.183.143:11121"
```

**Steps to run with privacy parameters:**

1. Open Terminal (Applications > Utilities > Terminal)
2. Copy and paste the command above
3. Press Enter to run Lethean with the privacy parameters

**Alternative: Create a shell script**

You can also create a shell script for easier access:

1. Open TextEdit and create a new document
2. Copy and paste the command above
3. Save the file with a `.command` extension (e.g., `lethean-privacy.command`)
4. Make the file executable by running: `chmod +x lethean-privacy.command`
5. Double-click the `.command` file to run Lethean with the privacy parameters

**Note:** Make sure the Lethean application is installed in the default Applications folder.

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## General Security Issues

* **Use a firewall** to protect your machine, especially if you are running a server with a public IP address. We recommend blocking all incoming connections and allowing SSH access only from the few IP addresses you use.  
* **Do not store the wallet on hosts where mining software is installed.** We have encountered several cases where miners contained malware and keyloggers that stole users' wallet files and passwords. Ideally, if you have significant assets staking, set aside a **dedicated machine** with no other software installed.  
* **Always watch for critical network updates,** do not miss important upgrades, especially those related to hard forks. We have created a dedicated Telegram channel that publishes only such critical updates: **[@lethean_critical](https://t.me/lethean_critical)**.


