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What is a blockchain?
- Hint: Describe a distributed ledger technology that records transactions in blocks.
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How does a blockchain work?
- Hint: Explain the process of transactions being recorded, verified, and added to a block.
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What are the key features of blockchain technology?
- Hint: Discuss decentralization, immutability, transparency, and security.
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What is a decentralized application (dApp)?
- Hint: Explain dApps as applications running on a decentralized network.
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What are the benefits and challenges of blockchain technology?
- Hint: Discuss decentralization, transparency, and scalability issues.
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What is the role of a blockchain node?
- Hint: Explain nodes in the context of validating and relaying transactions.
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What is the difference between a private and a public blockchain?
- Hint: Compare permissionless public blockchains and restricted private blockchains.
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What are consensus mechanisms, and why are they important?
- Hint: Discuss how consensus mechanisms ensure agreement on the state of the blockchain.
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What is Proof of Work (PoW)?
- Hint: Describe PoW as a consensus mechanism involving computational effort.
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What is Proof of Stake (PoS)?
- Hint: Explain PoS as a consensus mechanism based on the number of tokens held.
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How are blockchain transactions verified?
- Hint: Discuss the role of miners or validators in transaction verification.
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What is a blockchain fork?
- Hint: Explain forks as splits in the blockchain due to differing rules or upgrades.
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What is a hash function in the context of blockchain?
- Hint: Describe hash functions as algorithms that convert input data into a fixed-size string.
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What is a Merkle tree, and how is it used in blockchain?
- Hint: Discuss Merkle trees as data structures used to efficiently verify data integrity.
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What is a cryptocurrency?
- Hint: Explain cryptocurrencies as digital or virtual currencies that use cryptography for security.
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How does Bitcoin differ from Ethereum?
- Hint: Compare Bitcoin as a digital currency and Ethereum as a platform for smart contracts.
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What is a blockchain wallet?
- Hint: Describe a wallet as a digital tool for storing and managing cryptocurrency.
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What is the role of a smart contract in blockchain?
- Hint: Explain how smart contracts automate and enforce agreements on the blockchain.
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What is a token in blockchain technology?
- Hint: Discuss tokens as digital assets created and managed on a blockchain.
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What are the potential use cases for blockchain technology?
- Hint: Mention applications like supply chain management, healthcare, and finance.