
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.
- Key storage
- Local, encrypted Cited
- Chains
- EVM only (90+) Cited
- Swap fee
- 0.25% Cited
- Pre-sign warnings
- Yes Cited
- Security audits
- Published Cited
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.
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.