Everything you need for secure Bitcoin self-custody — straight from the BitBox team.
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
Remote multisig theft attack on the Coldcard hardware wallet
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
Coldcard isolation bypass
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
How nearly all personal hardware wallet multisig setups are insecure
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
BitBox02 multisignature wallet
BitBox02 ❤️ Electrum: part 3 Read more
A ransom attack on Trezor's and KeepKey's passphrase handling
Responsible disclosure of a remote ransom attack on Trezor hardware wallets where users are vulnerable when entering the passphrase on the computer. Read more
Best of both worlds: using a secure chip with open source firmware
Learn how our unique security architecture does not compromise on transparency or security. Read more
BitBox app & firmware update 6.2020
Update with an important security patch, as well as many new features. We recommend that you update beforeyou next use your BitBox02. Read more
Why should I use a hardware wallet to keep my bitcoin safe?
Keeping a digital secret is surprisingly hard. We explain available options and why it makes sense to use a Bitcoin hardware wallet. Read more