How to set and change wallet tags with Coldcard Mk4?

Wallet tags on Coldcard Mk4 help manage crypto by labeling addresses for different purposes, enhancing security and efficiency in tracking funds.

Apr 06, 2025 at 08:21 am

Setting and changing wallet tags on the Coldcard Mk4 is a crucial aspect of managing your cryptocurrency securely and efficiently. Wallet tags are essentially labels that you can assign to different addresses or transactions within your Coldcard, making it easier to keep track of your funds and their purposes. This guide will walk you through the process of setting and changing these tags, ensuring you can manage your digital assets with ease.

Understanding Wallet Tags on Coldcard Mk4

Before diving into the steps, it's important to understand what wallet tags are and why they are useful. Wallet tags on the Coldcard Mk4 allow you to assign custom names to your addresses or transactions. This can be particularly helpful if you have multiple addresses for different purposes, such as savings, daily spending, or specific investments. By using tags, you can quickly identify the purpose of each address or transaction without having to remember complex strings of numbers and letters.

Setting Wallet Tags on Coldcard Mk4

To set a wallet tag on your Coldcard Mk4, follow these detailed steps:

• Turn on your Coldcard Mk4 and navigate to the main menu.
• Select 'Addresses' from the main menu. This will take you to a list of your addresses.
• Choose the address you want to tag. Use the navigation buttons to scroll through the list and select the desired address.
• Press the 'OK' button to enter the address details menu.
• Select 'Tag' from the address details menu. This will allow you to assign a tag to the selected address.
• Enter the tag name using the Coldcard's keyboard interface. You can use letters, numbers, and special characters to create a meaningful tag.
• Confirm the tag by pressing the 'OK' button. The tag will now be associated with the selected address.

Changing Wallet Tags on Coldcard Mk4

If you need to change an existing wallet tag, the process is straightforward. Here's how you can do it:

• Navigate to the 'Addresses' menu as described in the previous section.
• Select the address with the tag you want to change.
• Enter the address details menu by pressing the 'OK' button.
• Choose 'Tag' from the menu. You will see the current tag displayed.
• Press the 'OK' button to edit the tag.
• Enter the new tag name using the Coldcard's keyboard interface.
• Confirm the new tag by pressing the 'OK' button. The old tag will be replaced with the new one.

Viewing Wallet Tags on Coldcard Mk4

To view the tags you have set on your Coldcard Mk4, follow these steps:

• Go to the 'Addresses' menu from the main menu.
• Scroll through the list of addresses. The tags you have set will be displayed next to the corresponding addresses.
• Select an address to see more details, including the full tag name.

Deleting Wallet Tags on Coldcard Mk4

If you no longer need a tag, you can delete it easily. Here's how:

• Navigate to the 'Addresses' menu and select the address with the tag you want to delete.
• Enter the address details menu and select 'Tag'.
• Press the 'OK' button to edit the tag.
• Clear the tag name by deleting all characters.
• Confirm the empty tag by pressing the 'OK' button. The tag will be removed from the address.

Best Practices for Using Wallet Tags

To make the most out of wallet tags on your Coldcard Mk4, consider these best practices:

• Use descriptive tags: Choose tag names that clearly indicate the purpose of the address or transaction. For example, 'Savings', 'Daily Use', or 'Investment Fund'.
• Keep tags consistent: Use a consistent naming convention to make it easier to remember and recognize your tags.
• Review tags regularly: Periodically check your tags to ensure they are still relevant and update them as needed.
• Avoid sensitive information: Do not include personal or sensitive information in your tags, as they may be visible to others if you share your address.

Frequently Asked Questions

Q: Can I use wallet tags to categorize my transactions on the Coldcard Mk4?

A: No, wallet tags on the Coldcard Mk4 are specifically for labeling addresses. If you need to categorize transactions, you would need to use external software or a different wallet that supports transaction tagging.

Q: Is there a limit to the number of tags I can set on my Coldcard Mk4?

A: The Coldcard Mk4 does not have a specific limit on the number of tags you can set. However, each tag is limited to a certain number of characters, typically around 20 characters, so keep your tags concise.

Q: Can I export my wallet tags from the Coldcard Mk4 to another device?

A: Currently, the Coldcard Mk4 does not support exporting wallet tags directly. You would need to manually record your tags if you want to use them on another device or wallet.

Q: Will changing a wallet tag affect the security of my Coldcard Mk4?

A: No, changing a wallet tag does not affect the security of your Coldcard Mk4. Tags are purely for organizational purposes and do not impact the cryptographic security of your wallet.