What is the hashing algorithm used by Bitcoin?
A. SHA-128
B. SHA-256
C. Keccack
D. MD5
Answer:B
What is the hashing algorithm used by Bitcoin?
A. SHA-128 B. SHA-256 C. Keccack D. MD5
Explanation: Bitcoin uses the SHA-256 hashing algorithm. Hashing and public-key cryptography are what make Bitcoin trusted and secure.