
Anti-klepto explained: how the BitBox02 protects you against leaking private keys
The BitBox02 is the first hardware wallet that offers protection against the nonce covert channel attack, by supporting a protocol called anti-klepto. Read more
Everything you need for secure Bitcoin self-custody — straight from the BitBox team.
The BitBox02 is the first hardware wallet that offers protection against the nonce covert channel attack, by supporting a protocol called anti-klepto. Read more
tl;dr: When registering a multisig wallet in a Coldcard, the Coldcard did not verify that it is actually part of the multisig wallet. This allowed a malicious computer wallet Read more
Learn how to create your own random Bitcoin hardware wallet seed with these easy step-by-step instructions. Read more
Bringing you some features we love, and we hope you'll do too: buy crypto directly in the BitBoxApp, roll your own seed, protection against leaking private keys. Read more
As a Swiss company, privacy is one of our core values. We have no idea how you use the BitBox02, and this is by design. Bitcoin means financial freedom, and that includes valuing your privacy. Read more
A few months ago we decided to focus our efforts on the BitBox02 and put other projects on hold. What are the results through the end of the year? Read more
The new BitBox account overview lays out all your funds in one place and lets you check how your stash has been doing over time. Read more
Responsible disclosure of a Coldcard vulnerability that allows an attacker to spend your bitcoins when you think you are signing a testnet transaction. Read more
If you use hardware wallets in a Bitcoin multisig setup, using a single computer to handle them, you are likely to be exposed to remote theft or ransom attacks. Read more