You're testing C4 Blockchain: Basics and Applications >> Blockchain Basics

As part of my master's program, I have created this quiz with a collection of multiple-choice questions that are designed to help me and my classmates review our knowledge of the "Blockchain Basics" module from "Course 4 Blockchain: Basics and Applications".
Support the development of the website
This website was created to provide useful and free information to the community. To maintain and develop it, we need support from you.

If you find the website valuable, you can contribute any amount, whether it's $1 or $2, to help keep it running. Your contribution will help cover operating costs, maintenance, and content improvement. Every donation is greatly appreciated and will help us grow sustainably.

Thank you sincerely for your support!
Paypal logo
Shown below are 9 randomly selected questions from the C4 Blockchain: Basics and Applications >> Blockchain Basics knowledge test. As an unauthenticated user, you have access to a limited set of 9 questions out of 367, and you won't be able to view the correct answers for them.
1/367: What condition must the calculated hash satisfy in Hash Cash?
  1. It must be greater than a certain value
  2. It must be equal to a certain value
  3. It must be less than a certain value
2/367: What happens when a node receives a valid transaction in the Bitcoin network?
  1. It consults a central authority for approval
  2. It rejects the transaction
  3. It adds the transaction to its own transaction pool
  4. It deletes the transaction from the network
3/367: Can different transactions have different sizes?
  1. Yes
  2. No
  3. It depends on the type of transaction
4/367: How stable is a centralized system?
  1. Highly stable
  2. Moderately stable
  3. Highly unstable
5/367: How does a distributed network distribute data across nodes?
  1. Based on the availability of resources
  2. Evenly
  3. Randomly
6/367: What is the function of the Merkle proof?
  1. To provide a correct sequence of paths to reach the root node
  2. To provide a correct sequence of paths to reach the Merkle tree
  3. To provide a correct sequence of paths to reach the hash function
  4. To provide a correct sequence of paths to reach the leaf node
7/367: Which type of security has the highest level of security?
  1. Distributed
  2. Decentralized
  3. Centralized
  4. All three have the same level of security
8/367: How are transactions verified in a blockchain?
  1. By the nodes in the network
  2. By the miners who solve the next block
  3. By a centralized authority
9/367: What is the benefit of using a hash function in cryptography?
  1. It allows for easy decryption of data
  2. It allows for the encryption of large amounts of data
  3. It provides a unique digital fingerprint for the data, allowing for easy verification of its authenticity
  4. It ensures that data can only be decrypted by the intended recipient
Resources
Daily Readings Catholic Prayers Our Assessment Quizzes English Learn to code
Tools
Sleepy time Youtube One Time Link Compound Interest Calculator Combinations Calculator (nCr) Contrast checker Chisanbop Fingermath Archive cached page Slug Generator
Taylor's Blog
IT & Software Programming Languages Skills Roman Catholicism