Many people talking about quantum computing these days; how it uses "qubits" which can exist in multiple states, at the same time - instead of classical transistor 1 or 0 bits found in our laptops and phones. So a string of qubits can represent not just a particular sequence of 0s and 1s but trillions. Long story short it can guess your password and crack your encrypted files in minutes instead of decades.. this will become a challenge for IT security in the coming decades, if this technology falls into the wrong hands. But also has the potential to come up with medicines, materials and solutions we never could have conjured with current tech.
At Stellora.AI, we are fans of these rigs — not for cracking passwords or ciphers, but for promoting good things. 🙂
Long story short, when QKD becomes a thing no more keeping the date of birth of your loved ones as a password!!
Long story short: Quantum Computing is still a lab experimental toy. The theoretical mathematics for it emerged since 1920-s. By the time of Shor in 1994 they still were only a theoretical notion, with keywords like "will" and "can" and "might" everywhere. In the last 30 years there have been several attempts to do something real with them, yet they have utterly failed to be anything more than a big version of a lab test tube. - Problem 0: Stability. Qubits are absurdly unstable. Simply looking at them when in a bad mood will make them change state randomly several times. - Problem 1: Error correction. In QC, errors increase exponentially when the number of qubits increase (The word "exponentially" is not a joke here. The problem becomes astronomically complex very fast). - Problem 2: Scalability. This goes hand-in-hand with Problem 1. Wanting to scale up a QC system means you scale up exponentially the technical challenges to do so. - Problem 3: The Hype. Today's toy quantum computers are with around 50 qubits. To do anything remotely useful, there are needed a few millions (if not billions) of qubits. Such tech will be invented at some point, yes... after at least more 100 years (if not 1000).
anyway, it`s our future, as I guest...
Various organizations can afford these machines just G20 nations can. And the machine makers will sell to anyone.
They look pretty like high end vinyl record players 😉