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Rabby Wallet is an open-source, non-custodial browser extension wallet designed for DeFi and the EVM multi-chain ecosystem. It automatically detects and switches to the network required by a dApp, eliminating manual configuration; simulates transactions before signing to preview balance changes and risks; and supports multi-account management, hardware wallets (Ledger, Trezor, etc.), and built-in token swaps.
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About Rabby Wallet
Rabby Wallet is an open-source browser-extension wallet designed for Ethereum and all EVM-compatible chains. Its core business is providing a multi-chain asset management and interaction tool that simplifies cross-chain operations.
Its main competitive edge is its security-first design. It simulates transactions before signing, displays clear risk warnings, and automatically suggests the correct chain for each dapp, reducing user errors. This addresses the common pain point of wallet usability and security in the DeFi ecosystem, where users often face phishing attacks or mistakenly sign malicious transactions.
In the past six months (2026-02-28 to 2026-08-29), Rabby Wallet fixed a critical security vulnerability in August 2026. The flaw, which could allow signature extraction under specific conditions (auto-lock timer set to 10 minutes and connecting to a malicious site), was disclosed on August 3, acknowledged and patched within 24 hours, and the update was released on August 11. No in-the-wild exploitation was detected before the patch. The team urged users to update their extension, confirming the mobile app was never affected. This incident highlights the project's active maintenance and responsive security handling.
Rabby Wallet launched the Gas Account feature, enabling users to pay gas fees across all networks using USDT or USDC, improving cross-chain usability.
The wallet hinted at a potential native token RABBY, signaling future ecosystem expansion.
Security vulnerabilities were fixed with an update released and no attacks detected, strengthening long-term user asset protection.
Key developments in the past six months (2026-03-14 to 2026-09-14):
Security fix: In August, Rabby Wallet patched a silent signature extraction vulnerability in its browser extension. The issue was triggered only under extremely limited conditions (connecting to a malicious DApp and setting a 10-minute auto-lock), and no real-world exploits were detected. Users were urged to update to the latest version.
Zero-fee swaps: In July, Rabby eliminated swap fees for stablecoin pairs (USDT, USDC) and ETH/ETH DeFi tokens (ETH, WETH, stETH), marking a move to reduce trading costs.
Hyperliquid integration: In August, Rabby enabled direct Hyperliquid deposits with zero fees, faster execution, and better quotes, bypassing manual bridging steps via Router Nitro infrastructure.
Official future roadmap has not been publicly detailed in the available sources.
Hongbo Tang (Co-Founder & CEO)
Previously served as R&D Director at Ele.me (Hungry) and founded FellowData. Graduated from Tongji University with a major in Information Security.
Xu Yong (Co-Founder)
Founder of Rabby Wallet. Worked as an anti-fraud manager at Ele.me and founded FellowPlus, a data analysis tool. Graduated from Tongji University.