> ## Documentation Index > Fetch the complete documentation index at: https://rabby-extnsions-page.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Rabby® Wallet — Extension® > The Rabby Wallet Extension offers a browser-based wallet experience designed to make Web3 interactions, decentralized finance # Rabby Wallet Extension: A Smarter Way to Explore Web3 and Decentralized Finance ## Understanding Rabby Wallet Extension The growth of blockchain technology has created new opportunities for people to manage digital assets, explore decentralized finance, and interact with Web3 applications. To participate in these activities, users need a reliable way to connect their wallets to blockchain-based services. Rabby Wallet Extension is designed to make this process more convenient, transparent, and accessible. Rabby is a self-custody cryptocurrency wallet primarily built for Ethereum and other Ethereum Virtual Machine (EVM)-compatible networks. Available as a browser extension, it allows users to manage supported crypto assets, connect to decentralized applications, and review transaction details before authorizing blockchain operations. Rather than focusing solely on storing cryptocurrency, Rabby emphasizes the experience of interacting with Web3. Its transaction previews, network handling, and security-oriented features aim to help users make more informed decisions while navigating decentralized platforms. ## A Convenient Gateway to the Web3 Ecosystem Web3 applications operate differently from conventional websites. Many require users to connect a cryptocurrency wallet before accessing financial services, digital collectibles, or blockchain-based tools. Rabby Wallet Extension provides a bridge between the browser and these decentralized services. Once a user connects their wallet to a compatible application, they can review requests and decide whether to approve them. This functionality supports a variety of activities, including decentralized token exchanges, cryptocurrency lending, liquidity provision, and interactions with supported NFT platforms. The wallet does not automatically make an application trustworthy. Instead, it gives users a way to manage blockchain interactions while maintaining control over transaction approvals. Users should always verify an application's identity and understand the permissions requested before proceeding. ## Simplifying Cross-Chain Cryptocurrency Management One challenge for cryptocurrency users is keeping track of assets across different blockchain networks. A token held on Ethereum may not be available in the same form or at the same address on another network, and transaction fees can differ significantly. Rabby is designed to support multiple EVM-compatible blockchains, helping users access supported accounts and assets across different networks from one wallet interface. This approach can be helpful for people who use decentralized applications on networks such as Ethereum, Arbitrum, Optimism, Polygon, Base, and other supported chains. Network detection can also reduce the need to change settings manually when moving between compatible applications. Nevertheless, users should confirm the selected network, receiving address, and token details before transferring assets. Cross-chain transfers may require specialized bridges or other services, each of which introduces additional risks. Users should never assume that assets can be moved freely between networks without checking compatibility. ## Transaction Previews That Improve Decision-Making A distinctive aspect of Rabby Wallet is its emphasis on displaying transaction information before a user signs. Blockchain transactions can contain technical instructions that are difficult for beginners to interpret, particularly when smart contracts are involved. Rabby's transaction simulation features can help users understand the expected outcome of supported operations. Depending on the transaction, the wallet may display anticipated balance changes, assets being transferred, or information about contract permissions. For example, when interacting with a decentralized exchange, a user may be able to review which tokens are expected to leave the wallet and which assets are expected in return. These previews make transaction review more practical, but they should not be treated as a guarantee. Simulations may not predict every possible outcome, and blockchain conditions can change. Users should be especially cautious when a transaction requests unfamiliar permissions or involves an unknown smart contract. ## Managing Wallet Security in a Changing Crypto Environment Cryptocurrency security requires continuous attention because threats can appear through fake websites, malicious applications, compromised accounts, and fraudulent token approvals. Rabby incorporates security-oriented features intended to help users recognize certain suspicious activities. Depending on the available information, it may provide warnings about risky transactions or questionable interactions. These safeguards can support better decision-making, but they cannot identify every scam. A warning-free transaction is not necessarily safe, and legitimate-looking websites can still be compromised. Users should bookmark verified websites, avoid unsolicited wallet connection requests, and carefully inspect the information presented before signing. Another important practice is reviewing token spending permissions. Some smart contracts request permission to access a specific amount of a token, while others may request broader approval. Users should understand what they are authorizing and revoke unnecessary permissions using a trustworthy tool when appropriate. ## Maintaining Control Through Self-Custody Rabby follows a self-custody model, meaning users retain responsibility for their wallet access credentials. This differs from a custodial exchange, where the service provider controls the private keys associated with customer accounts. Self-custody allows users to interact directly with supported blockchain applications without depending on a centralized exchange to authorize every transaction. However, this independence comes with significant responsibilities. Wallet recovery information must be protected against theft, accidental disclosure, and permanent loss. Users should store their recovery phrase securely and never provide it to people claiming to offer wallet support. A genuine support representative should not need the secret phrase to investigate a general technical issue. It is also important to understand that a wallet password and a recovery phrase serve different purposes. A password may protect access to the local application, while the recovery phrase can provide access to the underlying wallet through compatible software. ## An Accessible Interface for Everyday Crypto Activities Rabby aims to make common wallet operations easier to understand by organizing account information, supported assets, network details, and transaction requests within a browser-based interface. This can be useful for both newcomers and experienced cryptocurrency users. Beginners may benefit from clearer transaction information, while advanced users can appreciate having a single interface for interacting with multiple supported EVM networks. The extension can also reduce the inconvenience of repeatedly switching between separate wallet applications when using different decentralized services. However, features and compatibility may change with software updates. Users should consult the official documentation for the latest information about supported networks, browsers, tokens, and wallet functions. ## Getting Started With Rabby Wallet Extension Users interested in Rabby should begin by visiting the official website at [https://rabby.io](https://rabby.io). From there, they can follow the verified download links for a supported browser. After installing the extension, users can follow the setup instructions to create a wallet or import an existing compatible account. They should verify the extension's publisher, review its permissions, and protect their recovery information before adding funds. Before connecting to a decentralized application, it is wise to learn how transaction approvals work and how blockchain fees are calculated. Beginners should consider testing basic wallet functions with a small amount of cryptocurrency before attempting more complicated DeFi activities. Users importing an existing wallet should ensure that they understand the security implications of entering recovery credentials into any software. ## Who Can Benefit From Rabby Wallet? Rabby may be useful for cryptocurrency holders who regularly interact with Ethereum-based applications, manage assets across supported EVM networks, or participate in decentralized finance. It may also appeal to users who want more information about transactions before approving them. Those who primarily hold cryptocurrency without interacting with decentralized applications may not need all of its Web3-focused features. As with any wallet, the best choice depends on individual requirements, supported assets, device compatibility, and personal security preferences. ## Final Thoughts Rabby Wallet Extension offers a practical approach to managing supported cryptocurrency assets and interacting with decentralized applications. Its multi-chain functionality, transaction previews, and security-oriented tools are designed to make Web3 activities easier to navigate. Nevertheless, no wallet can remove all the risks associated with cryptocurrency. Users must remain responsible for their recovery credentials, verify the applications they use, and carefully examine transaction requests. By understanding how Rabby works and combining its features with sound security practices, users can make more informed decisions when exploring decentralized finance and the wider Web3 ecosystem. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.