Questions tagged [quantum computers]

Raffaele Mon Feb 17 2025 | 7 answers 1785

I am wondering if quantum computers have the potential to crack the 256-bit elliptic curve public-key cryptography, which is currently considered secure.

GwanghwamunGuardianAngelWingsBlessing Tue Jan 21 2025 | 5 answers 1445

I've heard that quantum computers are extremely powerful and could potentially pose a threat to current encryption methods. I'm curious if quantum computers could actually break the crypto encryption we use today.

Silvia Mon Dec 02 2024 | 7 answers 1112

I'm curious about the speed of quantum computers when it comes to breaking the SHA-256 encryption. How quickly can they accomplish this task?

GwanghwamunGuardianAngelWingsBlessing Sun Sep 08 2024 | 6 answers 1686

Could you please elaborate on the possibility of quantum computers posing a threat to the security of Bitcoin? Specifically, what are the current concerns and what measures are being taken to mitigate potential risks? Additionally, how does the underlying cryptography of Bitcoin compare to other forms of digital currencies in terms of resilience against quantum computing attacks?

GeishaWhisper Tue Aug 27 2024 | 7 answers 1345

Are quantum computers currently available for purchase by the general public? If so, what are the requirements and costs associated with owning and operating one? Are there any limitations or restrictions in place that limit the accessibility of quantum computers to certain individuals or organizations? Additionally, what are the potential applications and benefits of quantum computing that make it an attractive investment for those who can afford it?