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Understanding Cryptocurrency Fundamentals

Financial Literacy

A set of factual questions regarding the history, technology, and economic principles of cryptocurrencies.

Economics Blockchain Technology

20 Questions Medium Ages 14+ Oct 19, 2026

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This study set covers Financial Literacy through 20 practice questions. A set of factual questions regarding the history, technology, and economic principles of cryptocurrencies. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 20 questions from the Understanding Cryptocurrency Fundamentals study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which entity is credited with the creation of Bitcoin in a 2008 white paper?

A Vitalik Buterin
B Satoshi Nakamoto
C Charlie Lee
D Nick Szabo

2 What is the primary function of a blockchain in the context of cryptocurrency?

A To regulate interest rates
B To act as a distributed ledger
C To print physical currency
D To verify user identity cards

3 What is the term used to describe the process of using computing power to validate transactions and secure a network?

A Staking
B Minting
C Mining
D Hashing

4 Which mechanism is used by Ethereum to achieve consensus, transitioning away from Proof of Work?

A Proof of Stake
B Proof of Authority
C Proof of Burn
D Proof of Capacity

5 What is the 'halving' event in the Bitcoin network?

A The reduction of the total supply of coins
B The splitting of the coin into smaller units
C The reduction of the block reward for miners
D The process of banning half the nodes

6 Which feature makes cryptocurrencies like Bitcoin 'decentralized'?

A They are controlled by the central bank
B They do not rely on a central authority or intermediary
C They are only traded on government websites
D They are backed by physical gold reserves

7 What does the term 'private key' refer to in cryptocurrency?

A A password to access a public website
B A cryptographic code used to authorize transactions
C The name of the user on the blockchain
D A document verifying the user's home address

8 What is a 'stablecoin' designed to do?

A Provide unlimited growth potential
B Minimize price volatility by pegging to an asset
C Replace all fiat currencies immediately
D Only be used for charitable donations

9 Which programming language is most commonly associated with Ethereum smart contracts?

A Solidity
B HTML
C Python
D SQL

10 What is the purpose of a 'cold wallet' in cryptocurrency storage?

A To keep the device cool during mining
B To store private keys offline for security
C To freeze accounts during a hack
D To track daily market fluctuations

11 What is a 'smart contract' in a blockchain environment?

A A legal document signed by a notary
B A self-executing contract with terms written into code
C A contract between a bank and a customer
D An agreement that requires human intervention to process

12 What is the main difference between Bitcoin and fiat currency?

A Fiat is digital and Bitcoin is physical
B Bitcoin has a limited supply defined by code
C Bitcoin is issued by the government
D Fiat currency is always backed by cryptocurrency

13 What is a 'fork' in blockchain technology?

A A tool used to mine Bitcoin
B A permanent divergence in the blockchain
C The physical hardware used to store coins
D A type of cyber attack on exchanges

14 Which term describes the total market value of a cryptocurrency?

A Circulating supply
B Market capitalization
C Transaction volume
D Dividend yield

15 What is the 'Genesis Block'?

A The most recent block added
B The first block of a blockchain
C A block that contains no transactions
D A block that was rejected by the network

16 What role do 'nodes' play in a blockchain network?

A They create new fiat currency
B They maintain a copy of the ledger and validate transactions
C They act as the central government for the network
D They charge fees for every user visit

17 What does 'DeFi' stand for in the crypto industry?

A Defined Finance
B Decentralized Finance
C Digital Federal Institution
D Data Encryption Financial Index

18 How are transactions usually recorded on a public blockchain?

A In a private database held by a bank
B In an immutable, transparent, and public ledger
C In a physical book kept by an auditor
D In a spreadsheet that can be edited by admins

19 What is the primary risk associated with the volatility of cryptocurrency?

A The risk of the internet shutting down
B The value of assets can fluctuate significantly in a short time
C The requirement to pay taxes in gold
D The inability to sell the assets on an exchange

20 Which cryptographic technique is used to secure blockchain transactions?

A Hashing
B Printing
C Stamping
D Copy-pasting

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