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What is blockchain? | A distributed ledger technology. |
Why blockchain is important? | It enables trust without intermediaries. |
What is decentralization? | No single controlling authority. |
What is a block? | A group of transactions. |
What is a chain? | Linked sequence of blocks. |
What is a node? | A participant in the network. |
What is consensus? | Agreement among network nodes. |
What is proof of work? | Consensus using computational effort. |
What is proof of stake? | Consensus based on staked assets. |
What is a transaction? | Transfer of value or data. |
What is a wallet? | Tool to store private keys. |
What is a private key? | Secret key for signing transactions. |
What is a public key? | Address for receiving assets. |
What is a smart contract? | Self-executing blockchain code. |
What is Ethereum? | A smart-contract blockchain. |
What is Bitcoin? | First decentralized cryptocurrency. |
What is a token? | Digital asset on a blockchain. |
What is gas fee? | Transaction processing cost. |
What is immutability? | Data cannot be changed. |
What is transparency? | Publicly verifiable records. |
What is scalability? | Ability to handle more transactions. |
What is Layer 2? | Scaling solution on top of Layer 1. |
What is a fork? | Change in blockchain rules. |
What is mining? | Validating transactions via computation. |
What is staking? | Locking assets to secure network. |
What is DeFi? | Decentralized financial services. |
What is NFT? | Non-fungible digital asset. |
What is blockchain security? | Protection against attacks. |
What is use case? | Practical application of blockchain. |
Why learn blockchain basics? | Growing adoption across industries. |
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