ColdKeys
Offline Bitcoin Key Creator
Archived App
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This utility generates and imports secure offline Bitcoin wallets. It operates entirely without an internet connection, allowing you to create 12 or 24-word phrases for watch-only wallets. The app helps maintain privacy by indicating used and unused addresses.
What's New in ColdKeys
1.7
May 23, 2019
-Now add multiple cold storage wallets. Turn on "Watch-Only" in settings and ColdKeys will remember whichever wallet you create or import and it is accessible by tapping the eye button. Swipe the wallet left to give it a label. Tap the wallet to see each address as an invoice. The address will display the balance and turn red if its been used before or green if it has no history.
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FAQ
What is ColdKeys used for?
ColdKeys is used to create and import secure offline Bitcoin wallets, also known as cold storage. It allows you to generate your private keys without an internet connection, enhancing security.
Is ColdKeys safe to use?
Yes, ColdKeys is designed for offline use and can be operated in an air-gapped environment, meaning it does not require an internet connection. This significantly reduces the risk of online threats.
Can I use ColdKeys to receive Bitcoin?
Yes, you can use ColdKeys to receive Bitcoin to your watch-only wallet. The app provides features to help you manage and track addresses for privacy.
How does ColdKeys help with privacy?
ColdKeys indicates whether an address has been used by changing its color (red for used, green for unused). This encourages users to utilize addresses only once, which is a good practice for Bitcoin privacy.
What derivation schemes does ColdKeys support?
ColdKeys supports the industry-standard BIP44 and BIP84 derivation schemes, ensuring compatibility with most hardware wallets and other Bitcoin applications.
Is ColdKeys open source?
Yes, ColdKeys is 100% open source. The code is available for review, even for individuals who are not highly technical, promoting transparency.
What devices is ColdKeys available on?
ColdKeys is available on iPhone, iPad, and iPod devices, as indicated by its supported devices list.
How often is ColdKeys updated?
The latest version of ColdKeys was released on May 23, 2019. It was initially released on February 12, 2019.
