Since the launch of Jade in 2021, the anti-exfil protocol has safeguarded our hardware wallet users from the devastating and undetectable attacks demonstrated by the recent Dark Skippy disclosure.
View quoted note →
Jade users can learn more about how anti-exfil stops malicious key extraction in the original blog post by the director of Blockstream Research Andrew Poelstra.
Visit store.blockstream.com and use the code DARKSKIPPY for 10% off if you think it’s time that you got your hands on an open-source Bitcoin hardware wallet that is resilient to this class of attack.
Code valid until midnight August 9th.


Blockstream
Anti-Exfil: Stopping Key Exfiltration
By Andrew Poelstra and Jonas Nick
New cryptographic tech to protect users from leaking keys through hardware wallet attacks
Introduction
In the...
