ArtOfBlockChain
ArtOfBlockChain

  • Gas pitfalls juniors mention — what interviewers actually assess

    Victor P

    Victor P

    @TrG6JIR
    Updated: Oct 30, 2025
    Views: 59

    I keep throwing buzzwords in gas discussions because I’m afraid silence will make me look clueless. But it backfires. Interviewers push deeper and I run out of substance. I want to answer gas questions like a responsible engineer, not a tips machine.

    What are the pitfalls worth mentioning that prove real thinking? And how do you avoid sounding like you memorized a checklist instead of understanding trade-offs?

    Concrete phrasing examples would help a lot.

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  • ChainMentorNaina

    @ChainMentorNaina • 3w

    Start from principles, not tricks. “Storage writes are expensive because they persist on-chain; I minimize them when safe, e.g., caching values in memory during loops.” Then add your boundary: “If an optimization hides intent or increases security risk, I’ll skip it and document why.” You can even pre-empt a follow-up: “We’ll optimize hot paths where frequency × cost justifies it.” This framing sounds like ownership, not recitation—and reviewers can picture you doing the right thing in a real repo.

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