Questions tagged [sha-256]

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Emanuele Emanuele Thu Dec 05 2024 | 5 answers 835

What is the difficulty of SHA-256 mining?

I'm curious about the complexity and challenge involved in SHA-256 mining. I want to understand how difficult it is to mine using the SHA-256 algorithm.

What is the difficulty of SHA-256 mining?
Alessandra Alessandra Wed Dec 04 2024 | 6 answers 1484

Is SHA-256 thread safe?

I'm wondering if SHA-256, which is a commonly used cryptographic hash function, is thread safe. I need to know this because I'm planning to use it in a multithreaded environment and want to ensure there won't be any issues with concurrent access.

Is SHA-256 thread safe?
MountFujiMysticalView MountFujiMysticalView Wed Dec 04 2024 | 6 answers 559

Does Bitcoin still use SHA-256?

I heard that there has been some progress in cracking SHA-256 hashes, with researchers successfully attacking 31-step SHA-256. Since Bitcoin uses SHA-256 for its addresses and mining, I'm wondering if Bitcoin is still secure with this hashing algorithm, or if there are plans to change it due to these new findings.

Does Bitcoin still use SHA-256?
ZenMind ZenMind Wed Dec 04 2024 | 6 answers 1096

How long would it take a quantum computer to crack SHA-256?

I'm curious about the potential of quantum computers in terms of decryption. Specifically, I want to know how long it would take for a quantum computer to crack the SHA-256 hashing algorithm.

How long would it take a quantum computer to crack SHA-256?
GyeongjuGlory GyeongjuGlory Wed Dec 04 2024 | 5 answers 1332

Is SHA-256 insecure?

I'm wondering if SHA-256 is insecure. I've heard some discussions about its vulnerabilities and potential weaknesses, but I'm not sure if these concerns are valid or if they have been addressed.

Is SHA-256 insecure?

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