ArtOfBlockChain
ArtOfBlockChain
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  • Difficulty - Medium
    Total Plays - 63
    Allowed Time - 10 sec
    Best time - 1.603 sec

    What is the EVM?

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    Explanation:
    The Ethereum Virtual Machine (EVM) is a global, decentralized computer that executes smart contracts on the Ethereum blockchain. It ensures every node produces the same results, keeping the network consistent and secure.
  • Difficulty - Medium
    Total Plays - 42
    Allowed Time - 10 sec
    Best time - 1.573 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 - 19
    Allowed Time - 10 sec
    Best time - 0.954 sec

    Oracle "data freshness" ensures:

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    Explanation:
    Fresh data prevents outdated inputs (e.g., stale prices) from breaking contracts.
  • Difficulty - Medium
    Total Plays - 28
    Allowed Time - 10 sec
    Best time - 1.030 sec

    Gas in Ethereum is measured in:

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    Explanation:
    Gwei is a smaller unit of ETH used to calculate gas costs.
  • Difficulty - Medium
    Total Plays - 39
    Allowed Time - 10 sec
    Best time - 1.466 sec

    Which is a risk of using oracles?

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    Explanation:
    Centralized oracles can be a single point of failure. If they provide false data, contracts relying on them can be exploited.
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    Explanation:
    Anchor is a Rust-based framework designed for developing secure and efficient smart contracts on Solana. It simplifies the process with macros and abstractions for Solana’s programming model.
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    Explanation:
    Interoperability protocols allow different blockchains to communicate and share data or assets seamlessly. Examples include Polkadot and Cosmos, which facilitate cross-chain transactions.
  • Difficulty - Medium
    Total Plays - 31
    Allowed Time - 10 sec
    Best time - 1.603 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.
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    Explanation:
    Rust’s async programming, with crates like Tokio, enables high-throughput transaction processing in blockchain nodes. It supports concurrent handling of network requests and validations.
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    Explanation:
    Decentraland is a virtual world where users buy land and items as NFTs. It blends gaming and digital ownership.
  • Difficulty - Medium
    Total Plays - 50
    Allowed Time - 10 sec
    Best time - 1.527 sec

    What is a token standard?

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    Explanation:
    A token standard, like ERC-20, defines rules for creating tokens on a blockchain. It ensures compatibility for cross-chain transfers and DeFi applications.
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