Which cryptographic algorithm is commonly used in Blockchain to secure…

2024

Which cryptographic algorithm is commonly used in Blockchain to secure transactions by providing a secure, irreversible hash ?

  1. A.

    SHA-256 (Secure Hash Algorithm 256-bit)

  2. B.

    AES (Advanced Encryption Standard)

  3. C.

    RSA (Rivest-Shamir-Adleman)

  4. D.

    DES (Data Encryption Standard)

Attempted by 44 students.

Show answer & explanation

Correct answer: A

SHA-256 is a cryptographic hash function designed by the NSA. It takes an input of any size and produces a fixed-size 256-bit (32-byte) signature.

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