Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Free Tools

Explore our collection of AI-powered tools designed to boost your productivity.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing Schools Business

Features Free Tools Pricing Schools Business

13 Questions

0 Views

Understanding Blockchain and Bitcoin

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary purpose of cryptographic hash functions in Bitcoin?

To ensure the integrity of the ledgers (correct)
To prevent double spending
To provide full anonymity to users
To enable offline payments

What is the term for the process of miners competing to find a hash value lower than a target value?

Proof of work (correct)
Bitcoin halving
Proof of stake
Digital signatures

What is the maximum size of a block in the Bitcoin blockchain?

1 MB (correct)
10 MB
50 MB
100 KB

What is the purpose of the 'nonce' value in a block?

To provide a random number for proof of work (C) Signup and view all the answers

How often is a new block added to the Bitcoin blockchain?

Every 10 minutes (A) Signup and view all the answers

What is the total amount of Bitcoin that will be mined?

21 million (B) Signup and view all the answers

What is the main benefit of a decentralized system like Bitcoin?

Prevention of double spending and full anonymity (A) Signup and view all the answers

What is the purpose of digital signatures in Bitcoin?

To authorize transactions (A) Signup and view all the answers

What is the relationship between the blockchain size and the number of blocks?

The blockchain size is directly proportional to the number of blocks (B) Signup and view all the answers

What is the term for the event that occurs every 4 years in Bitcoin?

Bitcoin halving (D) Signup and view all the answers

What is the role of a 'hash puzzle' in Bitcoin?

To prevent double spending (A) Signup and view all the answers

What is the primary function of a node in the Bitcoin network?

To keep a copy of the ledger (C) Signup and view all the answers

What is the purpose of the 'difficulty' value in Bitcoin?

To specify the number of leading zeros in a hash (B) Signup and view all the answers