Yes. Even the most secure system or secure OS can have a vulnerability that no one has discovered yet.

Dunno about electronic stuff but physical security? No perfect system. Just more than it’s worth to get into and takes long enough that you can realize something is going on and react accordingly. Armed security guards? At a certain point they become a trip wire that hopefully the people who reall...

Yea this is because you can’t guarantee randomness in a closed system that is finite (computers). This is one of the profound things about Satoshi’s design - it is one of the closest things we have to true randomness, and probably by design. This lecture covers some of the basics of how and ...

This will make you eschew all forms of technology and move to the mountains. https://airgapcomputer.com

You can get a reasonably secure system but nothing is perfect. Even the best hardware wallet can be hacked with enough resources. But if there’s only $2k on that bitcoin wallet, you’re not going to spend millions of dollars breaking into it. The important thing is to secure your devices based on...

Never seen or heard of a system that couldn’t be cracked given the proper amount of motivation.

Bitcoin.

Intentional back doors? It happens but it’s rare. I’ve done in a couple of times in systems I built.. but if you get caught it can be career ending move depending on what you did. Unintentional back doors due to security exploits…? Happens all the time.