BlackBerry is making a massive comeback as an 'uncrashable' software layer for AI and robotics

Remember BlackBerry? Yes, that BlackBerry: The phone with a physical keyboard that everyone used and suddenly became obsolete after Apple introduced the iPhone.

Well, it's making a comeback.

The new BlackBerry isn't a mobile device, but it's a "mission-critical software layer in the physical AI stack," and the stock is surging.

BlackBerry hasn't made a consumer mobile device in years. Instead, it has quietly transformed into a high-tech powerhouse focused entirely on the world of "Physical AI" and robotics.

The secret weapon? The rock-solid software framework called QNX that acts as the "uncrashable" nervous system for autonomous machines. That means BlackBerry's software is being used by massive chipmakers such as Nvidia and AMD to build smart cars and warehouse robots. The software makes sure those machines move safely with zero lag.

"As intelligent machines become increasingly autonomous and operate around people, the requirements for safety, security, reliability and real-time determinism become even more important," CEO John Giamatteo said during an earnings call. "Unlike probabilistic AI systems, QNX technology is deterministic and safety certified, which is exactly why it is so hard to replicate and why customers trust it for systems where failure is not an option."

Investors are taking notice, and the stock is up nearly 23% on Thursday, after a massive earnings beat and a revised upward guidance. Meanwhile, sell-side analysts are falling over themselves to praise BlackBerry's mission-critical infrastructure for the artificial intelligence boom.

One thing to note is that BlackBerry's physical devices were so popular among governments and executives because they were secure and unhackable. Their encryption relied on the same fundamental math and cryptographic principles used by modern cryptocurrency. Of course, the way the company applied that math served a different purpose entirely.

Now, it has evolved to provide similar security for AI systems. While QNX isn't exactly the same system as it was before, the software still relies heavily on the same cryptography library.

So now, BlackBerry, too, is part of the AI trade.