C4 Cryptographic Principles

Question 1

What is the primary role of a hash function in blockchain technology?

Accepted Answer

To ensure data integrity

Answer

Hash functions convert input data into a fixed-size string, providing integrity by making it nearly impossible to alter data without changing the hash.

Question 2

What type of cryptography is used to secure cryptocurrency transactions?

Accepted Answer

Asymmetric cryptography

Answer

Asymmetric cryptography uses a pair of keys (public and private) to secure data, ensuring only the intended recipient can access it.

Question 3

What is a digital signature in cryptocurrency?

Accepted Answer

A cryptographic validation of a transaction

Answer

A digital signature is a cryptographic technique that verifies the authenticity and integrity of a message or transaction.

Question 4

Why are private keys important in blockchain systems?

Accepted Answer

To access and control wallet funds

Answer

Private keys provide exclusive access to one's digital assets, enabling users to authorize and sign transactions securely.

Question 5

What happens if a user loses their private key in cryptocurrency?

Accepted Answer

Assets become permanently inaccessible

Answer

Losing the private key means losing access to the associated cryptocurrency, as there is no central recovery system in decentralized networks.

(C4) CryptoCurrency Certification Consortium Practice Test

(C4) CryptoCurrency Certification Consortium Practice Test

C4 Cryptographic Principles