Introduction to Cryptocurrency MCQs January 8, 2026September 29, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. : Who created Bitcoin, the first cryptocurrency? (A) Vitalik Buterin (B) Gavin Andresen (C) Satoshi Nakamoto (D) Charlie Lee 2. : In which year was Bitcoin launched? (A) 2011 (B) 2009 (C) 2013 (D) 2007 3. : What is the maximum supply limit of Bitcoin? (A) 21 million (B) 100 million (C) 50 million (D) Unlimited 4. : Which technology underlies all cryptocurrencies? (A) Blockchain (B) Cloud Computing (C) Data Mining (D) Artificial Intelligence 5. : Ethereum is best known for which feature? (A) Smart Contracts (B) Mining Pools (C) Digital Gold (D) Proof of Authority 6. : Which cryptocurrency is often called “digital silver”? (A) Dogecoin (B) Litecoin (C) Ripple (D) Dash 7. : The process of validating transactions and securing the blockchain is called? (A) Trading (B) Mining (C) Staking (D) Exchanging 8. : Which consensus mechanism does Bitcoin use? (A) Proof of Work (B) Proof of Authority (C) Proof of Stake (D) Delegated Proof of Stake 9. : Who founded Ethereum? (A) Changpeng Zhao (B) Vitalik Buterin (C) Charles Hoskinson (D) Jed McCaleb 10. : The smallest unit of Bitcoin is known as? (A) Token (B) Satoshi (C) Ether (D) Coin 11. : Which cryptocurrency is mainly used for cross-border payments? (A) Ripple (XRP) (B) Dash (C) Monero (D) Zcash 12. : What does DeFi stand for in the crypto industry? (A) Digital Finance (B) Decentralized Finance (C) Defined Funds (D) Decentralized Files 13. : What is the main purpose of stablecoins? (A) To avoid volatility (B) To increase mining rewards (C) To replace Bitcoin (D) To make transactions slower 14. : Which stablecoin is pegged to the US Dollar? (A) Tether (USDT) (B) Litecoin (C) Ethereum (D) Dogecoin 15. : What does ICO stand for in cryptocurrencies? (A) Initial Coin Offering (B) International Crypto Organization (C) Investment Crypto Option (D) Initial Chain Order 16. : Which cryptocurrency introduced the concept of Smart Contracts? (A) Ethereum (B) Ripple (C) Bitcoin (D) Cardano 17. : Binance was founded by whom? (A) Gavin Wood (B) Changpeng Zhao (C) Brian Armstrong (D) Jed McCaleb 18. : What is the name of Ethereum’s cryptocurrency? (A) Ripple (B) Ether (C) Bitcoin (D) Litecoin 19. : Which cryptocurrency is famous for its privacy features? (A) Ripple (B) Monero (C) Ethereum (D) Bitcoin Cash 20. : The term “HODL” in crypto originally means? (A) Hold On for Dear Life (B) Hold Only Digital Ledger (C) High Order Digital Link (D) Holding Other Digital Loans 21. : What is a blockchain “fork”? (A) A new wallet (B) A split in the blockchain protocol (C) A type of mining device (D) A transaction error 22. : Which country made Bitcoin legal tender in 2021? (A) Nigeria (B) Japan (C) El Salvador (D) Canada 23. : Which crypto exchange is headquartered in the USA? (A) Coinbase (B) Binance (C) Bitfinex (D) KuCoin 24. : What is the main purpose of a crypto wallet? (A) To mine coins (B) To store private and public keys (C) To print money (D) To trade fiat currency 25. : What does NFT stand for? (A) Non-Fungible Token (B) New Financial Technology (C) Non-Functional Transaction (D) Network Funded Token 26. : Which blockchain is most associated with NFTs? (A) Ethereum (B) Litecoin (C) Ripple (D) Monero 27. : Bitcoin was first mined in which country? (A) China (B) USA (C) Japan (D) Unknown 28. : Which of the following is NOT a cryptocurrency? (A) Bitcoin (B) Ethereum (C) PayPal (D) Ripple 29. : What does the term “Gas Fee” refer to in Ethereum? (A) Mining hardware cost (B) Fee for transactions and smart contracts (C) Internet charges (D) Blockchain download fee 30. : Which algorithm does Bitcoin use for mining? (A) SHA-256 (B) MD5 (C) Scrypt (D) Ethash 31. : What is the name of Ethereum’s upgrade to Proof of Stake? (A) Ethereum Merge (B) Ethereum Boost (C) Ethereum Hard Fork (D) Ethereum Dash 32. : What is the term for verifying transactions without intermediaries? (A) Centralization (B) Decentralization (C) Regulation (D) Forking 33. : Which of these is known as a meme coin? (A) Litecoin (B) Dogecoin (C) Ripple (D) Dash 34. : What does “cold wallet” mean? (A) Wallet stored on ice (B) Wallet not connected to the internet (C) Wallet with low funds (D) Wallet used in cold countries 35. : What is the purpose of mining difficulty in Bitcoin? (A) To reduce block size (B) To adjust block creation time (C) To increase transaction fees (D) To reward miners 36. : Which of these is NOT a blockchain consensus mechanism? (A) Proof of Work (B) Proof of Stake (C) Proof of Gold (D) Delegated Proof of Stake 37. : The first ever Bitcoin transaction was used to buy what? (A) A book (B) Pizza (C) Laptop (D) Coffee 38. : Who is the CEO of Coinbase? (A) Vitalik Buterin (B) Brian Armstrong (C) Changpeng Zhao (D) Gavin Andresen 39. : What is a whitepaper in cryptocurrency? (A) Government approval document (B) A document describing a project’s details (C) A currency note (D) Mining guide 40. : Which cryptocurrency introduced the Lightning Network? (A) Ripple (B) Bitcoin (C) Litecoin (D) Ethereum 41. : Which type of token represents real-world assets like real estate or stocks? (A) Utility Token (B) Security Token (C) Meme Token (D) Governance Token 42. : What is a DAO in the crypto world? (A) Digital Asset Order (B) Decentralized Autonomous Organization (C) Data Access Operation (D) Distributed Asset Offering 43. : Which cryptocurrency was forked to create Bitcoin Cash? (A) Ethereum (B) Bitcoin (C) Litecoin (D) Ripple 44. : The term “whale” in cryptocurrency refers to? (A) A large blockchain (B) A person holding a large amount of crypto (C) A mining device (D) A crypto exchange 45. : Which cryptocurrency project is focused on scalability and interoperability? (A) Cardano (B) Monero (C) Dogecoin (D) Dash 46. : The process of locking coins to support a blockchain network is called? (A) Mining (B) Forking (C) Staking (D) Trading 47. : What does the term “Altcoin” mean? (A) Alternative to Bitcoin (B) Artificial Token (C) Advanced Litecoin (D) Authorized Coin 48. : Which cryptocurrency is nicknamed “Ethereum Killer”? (A) Solana (B) Ripple (C) Litecoin (D) Dogecoin 49. : The first decentralized exchange (DEX) on Ethereum is? (A) Binance (B) Uniswap (C) Coinbase (D) Kraken 50. : What is the primary advantage of blockchain? (A) Centralization (B) Transparency and Security (C) Higher Fees (D) Government Control