Cardano (ADA) MCQs January 8, 2026September 29, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. : Who is the founder of Cardano (ADA)? (A) Charles Hoskinson (B) Vitalik Buterin (C) Gavin Wood (D) Dan Larimer 2. : Cardano was launched in which year? (A) 2013 (B) 2015 (C) 2017 (D) 2019 3. : The native cryptocurrency of Cardano is called? (A) ADA (B) CAR (C) CDO (D) ANO 4. : Cardano is built on which consensus mechanism? (A) Proof of Work (B) Proof of Stake (C) Delegated Proof of Stake (D) Byzantine Fault Tolerance 5. : What is the name of Cardano’s Proof-of-Stake protocol? (A) Ouroboros (B) Casper (C) Hydra (D) Tendermint 6. : Cardano was developed by which organization? (A) ConsenSys (B) IOHK (Input Output Hong Kong) (C) Ripple Labs (D) Solana Labs 7. : The currency ADA is named after? (A) Ada Lovelace (B) Ada Byron (C) Ada King (D) Ada Byron Clark 8. : Which programming language is primarily used in Cardano’s development? (A) Java (B) Haskell (C) Python (D) Rust 9. : Cardano is often described as a? (A) First-generation blockchain (B) Second-generation blockchain (C) Third-generation blockchain (D) Fourth-generation blockchain 10. : Which layer of Cardano handles settlement of transactions? (A) Computation Layer (B) Settlement Layer (C) Execution Layer (D) Governance Layer 11. : What is the second layer of Cardano called? (A) Cardano Settlement Layer (B) Cardano Computation Layer (C) Hydra Layer (D) Byron Layer 12. : What is Hydra in Cardano? (A) Scaling solution (B) Governance system (C) Stablecoin project (D) Privacy protocol 13. : ADA holders can participate in Cardano’s network through? (A) Mining (B) Staking (C) Proof-of-Work (D) NFT creation 14. : What was Cardano’s first development phase called? (A) Byron (B) Shelley (C) Goguen (D) Voltaire 15. : Which phase introduced decentralization to Cardano? (A) Shelley (B) Byron (C) Voltaire (D) Basho 16. : The Goguen era in Cardano introduced? (A) Smart contracts (B) NFTs (C) Sidechains (D) Proof-of-Work 17. : Which Cardano era focuses on scaling and performance? (A) Voltaire (B) Basho (C) Byron (D) Shelley 18. : The governance phase of Cardano is called? (A) Voltaire (B) Shelley (C) Basho (D) Hydra 19. : Which organization is responsible for Cardano’s commercial adoption? (A) Cardano Foundation (B) IOHK (C) Emurgo (D) Ripple Labs 20. : Cardano’s governance allows ADA holders to? (A) Vote on protocol updates (B) Mine ADA (C) Control inflation rate (D) Run Ethereum contracts 21. : What makes Cardano unique in blockchain design? (A) Two-layer architecture (B) GPU mining (C) Unlimited supply (D) Anonymous founders 22. : Cardano uses which scientific approach for development? (A) Peer-reviewed research (B) Community coding (C) Open beta testing (D) Randomized trials 23. : What is the maximum supply of ADA? (A) 45 billion (B) 21 million (C) 100 million (D) Unlimited 24. : Which African country has partnered with Cardano for blockchain solutions? (A) Ethiopia (B) Nigeria (C) Kenya (D) Ghana 25. : ADA can be stored in Cardano’s official wallet called? (A) Yoroi (B) Daedalus (C) Metamask (D) Trust Wallet 26. : Yoroi wallet is designed for? (A) Light users (B) Developers only (C) Mining pools (D) Offline storage only 27. : Who co-founded Cardano alongside Charles Hoskinson? (A) Jeremy Wood (B) Gavin Wood (C) Dan Larimer (D) Vitalik Buterin 28. : What consensus algorithm family does Ouroboros belong to? (A) Proof of Work (B) Proof of Stake (C) Byzantine Fault Tolerance (D) Delegated Voting 29. : Cardano is often compared with which other blockchain due to its smart contracts? (A) Ethereum (B) Ripple (C) Bitcoin (D) Litecoin 30. : Cardano’s native token symbol is? (A) ADR (B) ADA (C) CDO (D) CRD 31. : Which Cardano upgrade introduced smart contract capabilities in 2021? (A) Alonzo (B) Byron (C) Hydra (D) Voltaire 32. : ADA can be delegated to? (A) Stake pools (B) Mining rigs (C) GPU farms (D) Validators only 33. : Cardano Foundation is based in? (A) Switzerland (B) USA (C) Japan (D) Singapore 34. : Ouroboros is the first blockchain protocol to be? (A) Peer-reviewed and mathematically proven secure (B) Based on Proof-of-Work (C) Anonymous-led (D) Built for mining 35. : ADA tokens were first distributed through an ICO in? (A) Japan (B) USA (C) Switzerland (D) China 36. : Cardano’s treasury system is introduced in which era? (A) Voltaire (B) Basho (C) Shelley (D) Byron 37. : Cardano’s sidechain framework is known as? (A) Hydra (B) Milkomeda (C) Goguen (D) Ouroboros Hydra 38. : Hydra is a solution to improve? (A) Scalability (B) Privacy (C) Governance (D) Security 39. : ADA holders can earn rewards by? (A) Delegating ADA to pools (B) Mining ADA (C) Creating NFTs (D) Holding in exchanges 40. : Cardano’s blockchain is written in? (A) Haskell (B) C++ (C) Solidity (D) Java 41. : What is Cardano’s primary focus compared to other blockchains? (A) Scientific research and formal verification (B) Meme culture (C) High inflation tokenomics (D) GPU mining speed 42. : The Daedalus wallet is considered a? (A) Full-node wallet (B) Light wallet (C) Cold wallet only (D) Multi-chain wallet 43. : What does ADA primarily function as? (A) Utility token for governance and transactions (B) Privacy coin (C) Stablecoin (D) Wrapped token 44. : What is the smallest unit of ADA called? (A) Lovelace (B) MicroADA (C) Drop (D) Byron 45. : Which Cardano era will focus on sustainability and governance? (A) Voltaire (B) Byron (C) Basho (D) Shelley 46. : Which layer enables smart contracts in Cardano? (A) Computation Layer (B) Settlement Layer (C) Hydra Layer (D) Treasury Layer 47. : Cardano’s ecosystem aims to balance scalability, interoperability, and? (A) Sustainability (B) Mining (C) Inflation (D) Centralization 48. : Which upgrade brought smart contracts to Cardano? (A) Alonzo (B) Byron (C) Voltaire (D) Basho 49. : Cardano aims to support which sector strongly in developing nations? (A) Education and identity solutions (B) Gaming (C) Social media (D) Streaming services 50. : ADA ranks among top cryptocurrencies based on? (A) Market capitalization (B) Mining difficulty (C) NFT adoption (D) Transaction anonymity