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Crypto Quiz @RaRa
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What is the role of a cryptocurrency wallet?
Sending and receiving emails
Managing social media accounts
Storing physical currency
Storing and managing digital assets
What is the role of a blockchain node in a decentralized network?
Generating new coins
Executing smart contracts
Validating transactions
Storing private keys
Which of the following is a commonly used consensus mechanism in cryptocurrencies?
B) Proof-of-Transaction (PoT)
A) Proof-of-Stake (PoS)
C) Proof-of-Identity (PoI)
D) Proof-of-Mining (PoM)
Which of the following is a feature of a decentralized exchange (DEX)?
D) Only trades Bitcoin
A) Central authority controlling transactions
B) Peer-to-peer trading without intermediaries
C) Higher transaction fees compared to centralized exchanges
What is the primary function of a blockchain in cryptocurrency?
D) To control the price of cryptocurrencies
C) To provide a secure, immutable ledger of transactions
B) To enable reversible transactions
A) To store personal data of users
What is the concept of 'gas' in the Ethereum blockchain?
A. Fuel for transactions
E. None of the above
D. Decentralized exchange
B. Digital currency
C. Smart contract
What is the purpose of mining in a Proof-of-Work (PoW) blockchain?
C) To validate and add new transactions to the blockchain
D) To hack other blockchains
B) To create new wallets for users
A) To decrease the supply of the cryptocurrency
What is the role of a smart contract in blockchain technology?
Verifying cryptocurrency transactions
Facilitating automated transactions
Regulating cryptocurrency supply
Ensuring network security
What is the purpose of a nonce in cryptocurrency mining?
C. To solve the cryptographic puzzle
B. To create a new block
A. To verify transactions
D. To secure the network
What is the maximum supply of Bitcoin (BTC)?
B) 25 million
D) 28 million
C) 18 million
A) 21 million
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