Blockstream Jade's latest update enables anti-rollback, a protective measure which prevents Jade devices from being downgraded to certain older firmware versions. This extra protection means that attackers looking to exploit outdated firmware can not trick users into downgrading their device.

Think of it like an added layer of protection from phishing emails, fake websites impersonating Blockstream, and other social-layer attacks.

• Why Anti-Rollback Now?
• Am I at Risk?
• How to Stay Safe

...read more at blog.blockstream.com