# Validator Node Major Update Notice
**๐Dear Titan Validator Node Operators,**
We are pleased to announce that the Titan blockchain network will undergo an important upgrade this week. This upgrade will introduce token issuance functionality and prepare for the upcoming 4th testnet.
### ๐ Upgrade Schedule
* **Start Time:** December 7th, 2024 08:00 UTC (16:00 Beijing Time)
* **Completion Time:** December 9th, 2024 08:00 UTC (16:00 Beijing Time)
* **Estimated Downtime:** 48 hours
### ๐จ Important for Validator Node Operators
* **Action Required:** Please ensure your nodes are updated before the upgrade is completed. Nodes that are not updated in time will go offline and may be penalized. Make sure your nodes are synchronized with the network to avoid any disruptions.
### โณ Downtime Duration
* **Estimated Downtime:** 48 hours
### ๐ด Critical Notice
* During the upgrade, all on-chain transactions, staking activities, and transfers will be temporarily suspended. Please refrain from conducting any transactions until the upgrade is complete to avoid potential losses.
### ๐ New Features
#### Token Factory Feature Launch
* Support for users to issue tokens with unique identifiers on the Titan chain
* Simplified token issuance process, improved token management efficiency
#### 4th Testnet Related
* This upgrade will make important preparations for the 4th testnet, with testnet rewards to be distributed in the form of TNT4 tokens
* More details about the 4th testnet will be announced in subsequent announcements
### ๐ Upgrade Documentation
Important Notice: Please proceed with the upgrade according to this tutorial only after ***December 7th, 2024 08:00 UTC (16:00 Beijing Time)***. Attempting to upgrade before this time will result in errors.
Update Tutorial
This tutorial will guide you on how to update the Titan chain using command-line tools. The update process involves downloading and executing a shell script that automatically retrieves the latest version and updates your Titan program to the latest state.
Installation Requirements: Ensure that your computer has curl and sh installed to successfully run the commands.
**Step 1: Run the Update Script**
Enter the following command to start the update process. This command will download and execute the latest update script from the official Titan chain GitHub repository:
{% code overflow="wrap" %}
```bash
sh -c "$(curl -fsSL https://raw.githubusercontent.com/Titannet-dao/titan-chain/main/scripts/update.sh)"
```
{% endcode %}
**Step 2: Verify the Update**
After the update script has been executed, you can verify the success of the update by entering the following command:
```
systemctl status titan
```
***Screenshot for upgrade verification:***
If the terminal output matches the image shown above, the update has been successfully completed โ
We appreciate your understanding and cooperation! If you have any questions or need assistance, please feel free to contact us.
**Email:**
****** ******
**Telegram:**
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**Discord๏ผ**
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Thank you for your continued support of the Titan Network!
***
---
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