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Install core wallet extension and download guide
Install core wallet extension and download guide
For edge users, the optimal method to add the Core protocol capability is through the Microsoft Edge Add-ons store. Navigate directly to the chrome web store while using Edge; Edge natively supports these add-ons, so you can simply download chrome add-ons without switching browsers. For for chrome itself, locate the official provider in the Chrome Web Store to add the plugin directly from the source.
If you rely on a brave extension, the process is identical to Chrome. Brave is built on Chromium, so you can safely access the chrome web store to acquire the plugin. For firefox extension users, seek the verified add-on on the Mozilla Add-ons site; Firefox’s security model may require additional permissions–review these carefully before proceeding. No matter your browser, verify the publisher’s identity to avoid counterfeit items.
To finalize the setup, ensure your browser is updated to the latest version. After adding the plugin from the chrome web store (or corresponding store for for edge or firefox extension), it will appear in the toolbar. Restart the browser to activate the plugin. For brave extension users, disable the built-in shield for the protocol’s site if the plugin fails to load.
Install Core Wallet Extension and Download Guide
To begin using Core, you must first grab the plugin for your specific browser. Visit the Chrome Web Store directly if you are a Chrome user. For those on other platforms, the Brave extension functions identically, but ensure it is sourced from the official Core page to avoid fake clones. The Firefox extension is also available, though the update frequency lags slightly behind the Chrome version.
For Chrome: Open the Chrome Web Store and search for "Core." Click the blue "Add to Chrome" button. A pop-up will request permissions; review them and confirm.
For Edge: The Microsoft Edge Add-ons store carries the same plugin. Search for "Core" and select "Get." Edge will install it as a standard plugin.
For Brave: Since Brave syncs with the Chrome Web Store, you can install the same Chrome version directly. Go to chrome.google.com/webstore and follow the Chrome instructions.
For Firefox: Go to addons.mozilla.org, find the Core plugin (check the publisher: "Core Blockchain"), and click "Add to Firefox."
Once the browser plugin is added, you must complete the setup. Click the Core Wallet extension tutorial icon in your browser toolbar (top right corner). A new tab will open; here, you will create a fresh wallet or import an existing one using a seed phrase. Do NOT skip the seed phrase backup–store it offline, not in a text file or screenshot. This is the only way to recover assets if the browser data is lost.
If you cannot find the plugin in the Chrome Web Store (sometimes it gets delisted temporarily), use the direct link from the official Core website. The site provides a button that redirects you to the correct store page for your browser. Avoid third-party download sites; they often bundle malware or fake plugins that steal private keys.
After installation, pin the plugin to your toolbar for easy access. Right-click the Core icon and select "Pin to toolbar" (Chrome) or "Show in toolbar" (Brave/Edge).
For Firefox extension, you might need to allow it to run in private windows manually. Go to about:addons, click the Core plugin, and enable "Run in Private Windows."
A common mistake is installing the plugin but never opening it. The plugin does not activate until you create or import a wallet. If the icon remains greyed out, click it and follow the on-screen prompts. You will need about 2 minutes for the initial setup: name your wallet, confirm your seed phrase, and set a password (minimum 8 characters, no spaces).
For edge cases: If you use a Chromium-based browser like Opera or Vivaldi, you can install the Core plugin via the Chrome Web Store normally. The plugin is not available for Safari or Internet Explorer. If your browser is unsupported, switch to Firefox or Chrome temporarily to access the plugin.
Finally, after the plugin is installed and your wallet is active, you can interact with dApps directly from the browser. No further downloads are needed. The plugin handles all transactions, signing, and network switching. If you ever need to reinstall, simply delete the old plugin from your browser settings and repeat the steps above–your assets are safe as long as you retain the seed phrase.
System Requirements and Supported Browsers Before Installation
For a smooth deployment, your operating system must be Windows 10 (64-bit, build 19041 or newer), macOS 11 (Big Sur) or later, or a Linux distribution with a kernel version 5.10+. The primary prerequisite is a Chromium-based browser, with Google Chrome 120+ being the minimum supported version. You should obtain the necessary plugin directly from the official Chrome Web Store; search for the specific title and click “Add to Chrome” to acquire it. Avoid third-party sources, as they may host outdated or malicious files. For Microsoft Edge users, a dedicated deployment for Edge is available. Navigate to the Edge Add-ons store, locate the same utility, and add it to your browser. This ensures compatibility with Edge’s security sandbox.
If you use Mozilla Firefox, confirm your browser version is Firefox 115.0 or newer (ESR builds are supported). The Firefox extension must be fetched directly from Mozilla’s Add-ons (AMO) repository. Open your Firefox browser, visit the official add-ons marketplace, and search for the utility by its exact name. Initiate the integration by clicking “Add to Firefox.” Unlike Chrome, Firefox’s WebExtensions API requires a separate compatibility layer, so the Firefox extension is a distinct package–do not attempt to load a Chrome Web Store file in Firefox. For any Chromium-based variant (e.g., Brave, Opera), the download chrome procedure works identically: use the Chrome Web Store to install the plugin. However, for the Opera browser, you must first enable the “Install Chrome Extensions” option in Opera’s settings. This will allow you to use the same download chrome workflow without errors. For the best performance, disable any conflicting privacy plugins that block WebSocket connections, as these are required for the utility’s core functions.
Q&A:
I downloaded the wallet software from the official site, but the installer says it’s a "risky download" and Windows Defender blocked it. Is this a virus, or is this normal for blockchain applications?
This is a very common issue. Most core wallet applications are written in languages like C++ and compiled into executable files (.exe), which are not signed with a Microsoft digital certificate. Unsigned executables often trigger Windows Defender and SmartScreen warnings because Microsoft has no history of the developer’s identity or the software’s reputation. This does not mean the file is malicious, but you must verify the source. First, ensure you are on the official project website—double-check the URL for typos or variations (e.g., .com vs .io). Second, compare the downloaded file’s SHA-256 hash against the hash published on the official site or a trusted repository (like GitHub). If the hashes match, you can safely click "Run anyway" or "More info" then "Run." Always download from the official source and avoid third-party mirrors to minimize risk.
Where is the safest place to download a core wallet extension for a blockchain like Bitcoin or Ethereum? I’m worried about getting a fake or a virus.
You should only download the extension from the official project website. For example, if you want the Bitcoin Core wallet, go directly to bitcoin.org. Do not use search ads or third-party download sites. Check the URL carefully—scammers often use addresses like "bitcoin-wallet.org" or "bitcoincore-download.com" to trick you. After downloading, verify the file’s cryptographic signature using the developer’s PGP key. This ensures the file hasn’t been tampered with. Most official guides on the project’s website include step-by-step instructions for this verification. Ignore any pop-up ads or emails offering a "faster" wallet.
After installing the wallet extension, I see a "rescan" option. What does that do, and will it delete my transactions?
The "rescan" function does not delete anything. It tells your wallet to re-read the entire blockchain to find transactions that belong to your addresses. This is useful if you imported an old private key or restored a wallet from a backup and some transactions are missing from your balance. The rescan can take several hours because it processes every block again. During this time, your wallet will show "not responding" or slow down. Do not close the program while it is scanning. Once finished, your balance and transaction history should be up to date. It is a safe operation that only reads data.