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Home / Wallet profile / Rabby
Wallet profile

Rabby: it simulates every transaction before you sign it

The pre-sign simulation shows what a transaction will do before you approve it. If you interact with cashier contracts at all, that is the safety feature to look for.

FROM ITS OWN DOCSAUDITS PUBLISHED
Rabby's own docs
At a glance
Key storage
Local, encrypted
Cited
Chains
EVM only (90+)
Cited
Swap fee
0.25%
Cited
Pre-sign warnings
Yes
Cited
Security audits
Published
Cited
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Not financial advice. We hold no position in any asset named here.
Verdict

For gambling specifically, what matters is how a wallet behaves at the moment of signing: whether it tells you what a cashier contract will do before you approve it. Rabby: transaction simulation previews outcomes to avoid blind signing; Security Engine risk checks.

Key figures

Each figure links to its source in the fact table below.

Key storage
Local, encrypted
Per its own docs
Chains
EVM only (90+)
As stated in its docs
Swap fee
0.25%
Its own published fee

The full spec sheet

Every fact below is checked directly against the wallet maker's own pages — see each row for where it came from.

Custody & security
Custody model
Self-custody; data stored locally on the device, encrypted with your password· support.rabby.io
Transaction protection
Transaction simulation previews outcomes to avoid blind signing; Security Engine risk checks· support.rabby.io
Recovery
12-word seed phrase or private key backup· support.rabby.io
Open source
Yes — open source on its official GitHub· github.com
Security audits
Yes — SlowMist and Least Authority (2025) plus earlier reports· github.com
Coverage & fees
Supported chains
EVM-compatible networks only; 90+ natively integrated· support.rabby.io
Swap fee
0.25%, included in the quote; waived on some same-chain stablecoin and ETH pairs· support.rabby.io
Holds up
+Keys: local, encrypted
+Covers EVM only (90+)
+Warns or simulates before you sign
+Publishes security audits
Falls short
0.25% swap fee on in-wallet swaps
Recovery: 12-word seed phrase or private key backup — lose it and the balance is gone

Questions readers ask

No. Keep a small hot wallet for deposits and a separate wallet for holdings. Casino accounts get frozen, sometimes for no clear reason; the same discipline applies to your own keys regardless of which operator you're using.
Compare all walletsSame facts, side by side →How we source informationWhere each fact comes from →
Where to next
Compare all wallets Key storage, chains covered and in-wallet swap fees.Coins we track Which casinos take each coin, and the network fees involved.Exchanges Entry-tier fees, fiat rails and withdrawal limits.
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