How to keep your Bitcoin backup safe: 4 proven methods you should know
How to keep your Bitcoin backup safe: 4 proven methods you should know
Improve the security of your wallet backup with these best practices Read more
How to keep your Bitcoin backup safe: 4 proven methods you should know
5 questions about Bitcoin hardware wallet security you’ve always wanted to ask
5 questions about Bitcoin hardware wallet security you’ve always wanted to ask
Thinking of improving your Bitcoin security with a hardware wallet? Start here, we've got you covered. Read more
Anti-klepto explained: how the BitBox02 protects you against leaking private keys
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
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
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
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 multisignature wallet
BitBox02 ❤️ Electrum: part 3 Read more
A ransom attack on Trezor's and KeepKey's passphrase handling
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
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