Bitcoin hacking: Quantum computers are no threat to cryptocurrency

Bitcoin is theoretically vulnerable to being cracked by quantum computers, but calculations show they would need to be a million times larger than those that exist today Technology 25 January 2022 By Matthew Sparkes Bitcoin could one day be threatened by quantum computers – but not yet blackdovfx/Getty Images Quantum computers would need to become … Read more

What is a quantum computer?

Quantum computers are machines that use the properties of quantum physics to store data and perform computations. This can be extremely advantageous for certain tasks where they could vastly outperform even our best supercomputers. Classical computers, which include smartphones and laptops, encode information in binary “bits” that can either be 0s or 1s. In a … Read more

2022 news preview: Quantum computers may finally become useful tools

By Matthew Sparkes Google’s Sycamore quantum processor is one of the most advanced Peter Kneffel/dpa/Alamy A POWERFUL quantum computer could crack encryption and solve problems that classical machines find impossible. Although no one has yet succeeded in building such a device, recently we have seen a gathering pace of progress – so could 2022 be … Read more