A. Bitcoin
B. Zcash
C. Ripple
D. Tether

A. Hold On for Dear Life
B. High Order Distributed Ledger
C. Highly Optimized Decentralized Ledger
D. Heavy Operational Digital Ledger

A. The fuel used for mining Bitcoin
B. A unit that measures the amount of computational effort required to execute operations
C. A type of stablecoin
D. A physical commodity backing Ether

A. SHA-256
B. MD5
C. AES
D. RSA

A. To centralize control of cryptocurrencies
B. To automate decision-making and governance using smart contracts
C. To replace traditional financial institutions
D. To create a central authority for blockchain regulation

A. Hardware Wallet
B. Software Wallet
C. Paper Wallet
D. Gold Wallet

A. 21 million
B. 42 million
C. 84 million
D. 100 million

A. A cryptocurrency with a fixed supply
B. A cryptocurrency backed by a reserve asset like fiat currency
C. A cryptocurrency with unpredictable value
D. A cryptocurrency designed for speculative investment

A. Proof of Stake (PoS)
B. Proof of Authority (PoA)
C. Proof of Work (PoW)
D. Delegated Proof of Stake (DPoS)

A. Staking
B. Mining
C. Trading
D. Hashing

A. Bitcoin
B. Dogecoin
C. Monero
D. Ethereum

A. Merge
B. Fork
C. Split
D. Link

A. Blockchain
B. Cloud Computing
C. Machine Learning
D. Artificial Intelligence

A. Ethereum
B. Litecoin
C. Bitcoin
D. Ripple

A. A type of traditional currency used globally
B. A digital or virtual currency that uses cryptography for security
C. A physical coin that is used for online shopping
D. A type of banknote that is encrypted for security