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