Blockchain Exam With Questions
And All Correct Answers 2025
Verified
What is blockchain technology based on? - CORRECT ANSWER-Proof of Work
Which are TRUE of a blockchain?
I. It is like a distributed database.
II. It's a public ledger.
III. It can be cashed in for cryptocurrency.
IV. It is immutable.
V. It's difficult to tamper with because of hashing algorithms.
VI. They often rely on the SHA-256 hashing algorithm. - CORRECT ANSWER-
All except III
Hashing is one of the types of cryptography that we can use to make data secure
and is the foundation for making blockchains. - CORRECT ANSWER-True
And All Correct Answers 2025
Verified
What is blockchain technology based on? - CORRECT ANSWER-Proof of Work
Which are TRUE of a blockchain?
I. It is like a distributed database.
II. It's a public ledger.
III. It can be cashed in for cryptocurrency.
IV. It is immutable.
V. It's difficult to tamper with because of hashing algorithms.
VI. They often rely on the SHA-256 hashing algorithm. - CORRECT ANSWER-
All except III
Hashing is one of the types of cryptography that we can use to make data secure
and is the foundation for making blockchains. - CORRECT ANSWER-True
