Pocket Universe
Pocket Universe detects Web3 scams and shows transaction details before you sign, protecting your assets.


What it does
Permissions and access
Taken from the extension's own manifest file inside the package. The store listing does not spell this out, so it is worth reading before you install.
| Permission | What it allows |
|---|---|
alarms | Schedule background tasks |
declarativeNetRequest | Block or modify network requests |
offscreen | Run hidden pages for background work |
scripting | Run its own code on pages |
sidePanel | Show a panel beside the page |
storage | Store its own settings and data |
webRequest | Watch your network requests |
Requests 7 permissions — extensions doing the same job average 6.9.
Technical details
Description
Pocket Universe is a browser extension designed to protect cryptocurrency users from scams and malicious transactions. It provides real-time analysis of Web3 transactions, helping users understand what they are signing before confirming. The extension detects fraudulent activities, such as attempts to steal assets, and displays clear warnings. It supports over 200,000 users and offers optional transaction coverage up to $30,000 (with a fee). Installation is simple, requiring no wallet connection. Once installed, it works in the background, appearing before your wallet to give you insights and alerts.
Key Features
- Transaction Preview: Before you sign any Web3 transaction, Pocket Universe shows you exactly which assets are being moved. This includes details like token types, amounts, and recipient addresses. It is useful for verifying that a transaction matches your intent, especially when interacting with unfamiliar dApps or contracts.
- Scam Detection: The extension automatically analyzes transactions for known scam patterns, such as phishing attempts, malicious contracts, or approvals that could drain your wallet. It provides clear, color-coded warnings (e.g., red for dangerous, green for safe) so you can make informed decisions. This is critical when dealing with airdrops, NFT mints, or links from unknown sources.
- Optional Transaction Coverage: Users can opt for insurance that covers up to $30,000 in losses from covered scams (a fee applies). This feature adds an extra layer of financial protection for high-value transactions or when exploring new projects.
- No Wallet Connection Required: Pocket Universe operates without needing to connect your wallet or grant permissions. It simply monitors the transaction data in your browser, ensuring privacy and ease of use. You install it once and it works automatically.
- One-Click Installation: The extension can be added to your browser with a single click. No complex setup or configuration is needed, making it accessible even for non-technical users.
With Pocket Universe, you can continue transacting as usual while gaining peace of mind. The extension acts as a safety net, catching potential threats before they cause harm. Whether you are swapping tokens, buying NFTs, or interacting with DeFi protocols, it helps you avoid common pitfalls in the Web3 space.
Extensions that do the same job
Matched by what these extensions actually do, not by store category, and sorted so the ones asking for the least access come first.
| Extension | Site access | Permissions | Users | Rating |
|---|---|---|---|---|
| Pocket Universe — this page | All sites | 7 | 100K | 4.6★ |
| MEGA | Limited | 2 | 1M | 4.3★ |
| Virtru Email Protection | Limited | 2 | 700K | 3.9★ |
| Plugins | Limited | 3 | 400K | 3.8★ |
| Privacy Extension For WhatsApp Web - WABULK | Limited | 4 | 200K | 4.7★ |
| Osprey: Browser Protection | Limited | 3 | 10K | 4.9★ |
| Just Delete Me | Limited | 4 | 8K | 4.3★ |
Want the same thing with less access? MEGA, Virtru Email Protection, Plugins ask for fewer permissions than this one.
Store data last checked August 14, 2026.