ArtOfBlockChain
ArtOfBlockChain
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    Explanation:
    immutable variables are assigned once during deployment and can’t be changed afterward. They are more gas-efficient than regular storage variables.
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    Explanation:
    Modifiers are used to add conditional logic like access control to functions. They prevent code repetition and keep logic clean.
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    Explanation:
    Ethereum popularized smart contracts and allowed developers to build decentralized apps.
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  • Difficulty - Medium
    Total Plays - 37
    Allowed Time - 10 sec
    Best time - 1.999 sec

    Decentralized exchanges:

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    Explanation:
    Decentralized exchanges (DEXs) operate using smart contracts, which automatically execute trades without the need for intermediaries. This allows users to trade crypto directly from their wallets while maintaining control of their assets
  • Difficulty - Medium
    Total Plays - 30
    Allowed Time - 10 sec
    Best time - 1.883 sec

    Royalties in NFTs allow:

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    Explanation:
    Royalties in NFTs ensure that artists receive a percentage of sales every time their work is resold on secondary markets. This feature provides creators with ongoing income and supports long-term value for their digital art.
  • Difficulty - Medium
    Total Plays - 27
    Allowed Time - 10 sec
    Best time - 2.226 sec

    Which is NOT a Web3 wallet?

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    Explanation:
    Google Drive is a cloud-based storage service that lets you store, access, and share files online. It offers seamless integration with Google Workspace apps like Docs, Sheets, and Slides.
  • Difficulty - Medium
    Total Plays - 25
    Allowed Time - 10 sec
    Best time - 1.448 sec

    Gas in Ethereum is measured in:

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    Explanation:
    Gwei is a smaller unit of ETH used to calculate gas costs.
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  • #A
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    Explanation:
    Pools lock tokens for trading on platforms like Uniswap, replacing traditional order books.
  • Difficulty - Medium
    Total Plays - 25
    Allowed Time - 10 sec
    Best time - 1.643 sec

    Gas limits prevent:

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    Explanation:
    Gas limits set a maximum amount of computation a transaction can use, preventing infinite loops or excessively long operations from running indefinitely. This protects the network and user funds by halting transactions that exceed the limit.
  • Difficulty - Medium
    Total Plays - 25
    Allowed Time - 10 sec
    Best time - 1.238 sec

    Combines PoW and PoS?

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    Explanation:
    Hybrid mechanisms (e.g., Decred) blend PoW mining with PoS voting for balanced security.
  • Difficulty - Medium
    Total Plays - 17
    Allowed Time - 10 sec
    Best time - 4.036 sec

    Sybil attacks target:

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    Explanation:
    Sybil attacks create fake nodes to disrupt consensus or censor transactions.
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