Rabby is built for EVM users who want to inspect the expected effects of a transaction before approving it, with a 0.25% swap fee that undercuts MetaMask's 0.875%. It runs as a browser extension, a desktop app and a mobile app, and it tracks your portfolio across the EVM networks it supports.
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Rabby Wallet is a self-custody browser extension wallet focused on Ethereum and EVM-compatible networks. It is designed to help users manage on-chain accounts, review transactions before signing, and connect to decentralized applications across multiple networks from a single wallet interface. Rabby is built for users who regularly interact with DeFi, NFTs, and on-chain services and want transaction previews beyond basic send and receive flows.
Rabby operates as a non-custodial wallet, meaning the user controls the private keys and recovery information. The wallet is primarily distributed as a browser extension and is used for signing transactions, approving token permissions, and interacting with smart contracts on networks such as Ethereum and popular EVM rollups and sidechains. Rabby’s product direction emphasizes safer signing flows, including transaction previews, clearer permission prompts, and tooling aimed at reducing common mistakes in Web3 activity.
Rabby Wallet is developed by the team behind DeBank, a portfolio and analytics product used to track on-chain positions across multiple networks. Rabby’s design reflects this background, with an emphasis on multi-chain portfolio context and frequent dApp usage.
When users interact with smart contracts, a typical flow involves token approvals, contract calls, and network fees that can be difficult to interpret. Rabby is designed to present transaction details in a more readable way, helping users identify what they are authorizing, such as spending permissions, transfers, or interactions with contracts. This approach is particularly relevant on programmable networks where a single signature can grant broad token allowances.
Many dApps operate on multiple EVM chains, including Arbitrum, Optimism, Polygon, and Base. Rabby provides network switching and chain-aware prompts during dApp interactions. Users still need to check the network and destination before signing.
Rabby simulates transactions, previews expected balance changes and flags potentially risky contract approvals. While these tools can improve decision-making, they do not eliminate the underlying risks of interacting with unverified contracts or malicious sites.
Rabby lets users manage multiple on-chain accounts and interact with decentralized exchanges or lending protocols. It also provides token-approval reviews and connections to dApps across supported EVM networks.
| Feature | What it does |
|---|---|
| Transaction simulation | Simulates the result of a transaction before signing to help detect errors or malicious behavior. |
| Balance change preview | Previews expected incoming and outgoing balance changes before signing. Simulation does not guarantee the transaction’s final outcome. |
| Risk alerts and risky approval alerts | Flags potentially risky transactions and alerts users about risky or potentially malicious contract approvals. |
| Batch revoke | Allows revoking multiple approvals in a batch. |
| Approval revoking and security tooling | Provides approval revoking and a security engine across supported EVM networks. |
| Rabby Swap | In-app token swapping with quote fetching and an “Approve and Swap” flow designed to complete approval and swap with one confirmation when applicable. |
| MEV protection option (Swap) | Optional “MEV Guarded” setting that routes swaps through a private transaction pool to help protect against front-running and sandwich attacks. |
| GasAccount | Unified gas solution that lets users deposit USDT or USDC and use it to pay gas fees for any address across all networks integrated with Rabby. Rabby does not charge an additional service fee for GasAccount. |
| Transfer whitelist | Lets users whitelist frequently used addresses. Transfers to non-whitelisted addresses require re-confirmation. The whitelist works locally on the device. |
| Transaction management | Includes tools to speed up a pending transaction (by recreating it with a higher gas fee using the same nonce) and cancel transactions (quick cancel when not broadcast, or on-chain cancel via a replacement transaction). |
| Hardware wallet connectivity | Supports connecting a range of hardware wallets (availability varies by Rabby product: Extension, Mobile, Desktop). |
| Category | Specification | Details |
|---|---|---|
| Custody model | Self-custodial | Users control private keys. Rabby states it does not store wallet data and everything is stored locally, with no personal identifiers or email addresses tied to the account. |
| Network support | EVM ecosystems | Supports all EVM-compatible networks. Rabby states it has integrated 90 networks and continues to expand. |
| Rabby Extension | Platform | Browser extension for desktop browsers such as Chrome or Brave. It is not compatible with mobile browsers. |
| Rabby Mobile | Platform | Mobile app available on Google Play and the App Store. Rabby states it does not provide APK files for direct download. |
| Rabby Desktop | Platform and security posture | Dedicated client intended to run separately from the daily-use browser. Positioned as a controlled environment to reduce browser-related risks. |
| Rabby Desktop | Key import behavior | Rabby states Rabby Desktop does not support importing seed phrases or private keys. Users connect addresses using the available connection methods shown in the app. |
| Open source | Source availability | Rabby states it is open source and links to its code repositories: |
| Audits | Security auditing | Rabby states it undergoes regular third-party security audits and makes audit reports available on its official website. |
| Hardware wallet support | Rabby Extension | Ledger, Trezor, GridPlus, OneKey, Keystone, BitBox02, CoolWallet, AirGap Vault, imToken, imKey, NGRAVE ZERO. |
| Hardware wallet support | Rabby Mobile | Ledger, Keystone, OneKey, and Trezor via Bluetooth. |
| Hardware wallet support | Rabby Desktop | Ledger, Trezor, OneKey, Keystone, AirGap Vault, CoolWallet, GridPlus, NGRAVE ZERO. |
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