Rabby (by DeBank)

Rabby comes from DeBank, the Ethereum portfolio tracker founded in 2018 by Tang Hongbo and Xu Yong. DeBank's only announced raise was $25 million at a $200 million valuation in December 2021, led by Sequoia China with Coinbase Ventures, Circle, Crypto.com, Ledger and Dragonfly participating (Plisio). The wallet's GitHub repository dates from April 2021; the extension shipped that year, the iOS app in February 2024. The publisher on the App Store is OPCODE LABS PTE. LTD., Singapore.

Rabby is self-custodial and EVM-only. It detects which chain a dapp wants and switches automatically, which removes the "wrong network" step that trips people up in MetaMask. It shows a combined balance across chains using DeBank's data. It does not support Solana or Bitcoin, and there is no Rabby or DeBank token: the DeBank Chain layer-2 went live in July 2024 without one.

Rabby's defence is aimed at where wallet users actually lose money: the signature. Before you confirm, it runs the transaction against current chain state and shows the tokens that would leave and arrive, flags contracts and addresses it knows are malicious, and warns on risky token approvals. A drainer that asks you to "claim" an airdrop shows up in Rabby as your whole USDC balance going out.

The code is public under an MIT licence, with only the Rabby name and logo reserved (LICENSE). Two outside audits in 2025 looked at it. SlowMist reviewed the extension from 4 to 15 August 2025 and found three lowest-severity issues. Least Authority's reports of 2 September 2025 found a medium-severity issue in QR-code sync that was left unresolved and an EIP-7702 race condition that was fixed (CryptoSlate).

The one loss on record hit Rabby's swap contract, not the wallet. On 11 October 2022 a flaw let an attacker make Rabby Swap pull tokens that users had approved to it, across 19 chains, for about $200,000. Rabby told users to revoke those approvals and, per Revoke.cash, reimbursed them from its insurance fund (Revoke.cash). If you used Rabby Swap before October 2022, check that the old approval is gone.

Holding and sending cost only gas. Rabby earns money when you use its built-in routing: the UI strings in its own repository say it "charges a 0.25% fee" on swaps and bridges, included in the quote, with 0% for wrapping ETH (GitHub). Some stablecoin pairs are promoted at 0%.

The Gas Top Up fee looks steep, but it is charged on small amounts of gas and Rabby bears the price risk. GasAccount is the cheaper route if you use several L2s.