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  • SolidityStarter

    SolidityStarter

    @SolidityJatin • Mar 20, 2026
    Mar 20, 2026
    678

    Fintech BA to Web3: Which Analyst Roles Are Realistic, and What Proof Gets Interviews?

    I’m a fintech business analyst with 4 years of experience in SQL, Power BI, reporting, KPI definitions, and stakeholder work. I’m based in India and trying to move into remote...

    Like 5 Replies 5
  • Difficulty - Medium
    Total Plays - 1,605
    Allowed Time - 10 sec
    Best time - 1.582 sec

    Which opcode returns remaining gas?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    GASLEFT returns the amount of gas remaining in the current execution context. It is commonly used for gas-aware logic and debugging.
    Leaderboard
  • Difficulty - Medium
    Total Plays - 1,592
    Allowed Time - 10 sec
    Best time - 1.200

    Why does storage write order matter for structs?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Solidity packs struct variables tightly into storage slots based on declaration order. Reordering fields can change slot boundaries and break upgrade compatibility.
    Leaderboard
  • Shubhada Pande

    Shubhada Pande

    @ShubhadaJP • May 14, 2026
    May 14, 2026
    2.1K

    Zero-Knowledge Cryptography Hub for Smart Contract Engineers

    AOB’s ZK hub maps zero-knowledge learning from abstract cryptography to verifier-aware architecture, smart contract integration, and proof signals that hiring teams can actually evaluate.

    Zero-knowledge cryptography gets talked about like a prestige topic, but in real teams and real interviews, the gap is usually simpler than that. Many candidates can name ZK terms. Fewer...

    Like 5 Replies 1
  • Difficulty - Medium
    Total Plays - 21
    Allowed Time - 10 sec
    Best time - 3.454

    What does delete do to a mapping entry?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Deleting a mapping key resets its value to the default type value. The key itself still exists conceptually since mappings do not track keys.
    Leaderboard
  • Difficulty - Medium
    Total Plays - 19
    Allowed Time - 10 sec
    Best time - 1.444

    Which data location persists across transactions?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Storage persists on-chain across transactions and blocks. Memory and calldata are temporary and cleared after execution completes.
    Leaderboard
  • Sayali Bhandari

    Sayali Bhandari

    @SayaliB • Dec 30, 2025
    Dec 30, 2025
    2.2K

    Stuck Between AI and Blockchain — Feels Like I Might Choose Wrong

    I’m at a confusing point in my career and could use honest input from people who’ve been in the space longer. I’ve spent time learning blockchain basics and building small...

    Like 5 Replies 4
  • Difficulty - Medium
    Total Plays - 20
    Allowed Time - 10 sec
    Best time - 4.491

    What happens if a public variable name conflicts with a function name?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Public variables automatically generate getter functions. If a function shares the same name, the compiler prioritizes the variable-generated getter, shadowing the function definition.
    Leaderboard
  • Difficulty - Medium
    Total Plays - 20
    Allowed Time - 10 sec
    Best time - 3.013 sec

    Which keyword prevents further inheritance of a contract?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Solidity does not support a final or sealed keyword for contracts. Any contract can be inherited unless architectural constraints are enforced manually.
    Leaderboard
  • AlexDeveloper

    AlexDeveloper

    @Alexdeveloper • Mar 4, 2026
    Mar 4, 2026
    3.3K

    I blank out in Solidity interviews — how do you prepare for code review and optimization tasks?

    I’m preparing for junior smart contract developer roles, and I’m consistently struggling with the Solidity code-review part of the interview. Whenever an interviewer drops a simple staking or ERC20 contract...

    Like 5 Replies 6
  • Shubhada Pande

    Shubhada Pande

    @ShubhadaJP • Jul 30, 2026
    Jul 30, 2026
    2.2K

    The Web3 Technical Hiring Framework: Evaluating Blockchain Talent by Role

    Poll: Which Web3 role is hardest for your team to evaluate from proof alone?

    Compare four Web3 roles by system ownership focus and hiring evaluation criteria, from smart contract development to security, infrastructure, and QA.

    Generic technical screens fail in Web3 because the risk of failure varies drastically depending on the role. Screening a smart contract developer, a security auditor, and a blockchain QA engineer...

    Like 5 Replies 1
  • AuditWardenRashid

    AuditWardenRashid

    @AuditWarden • Aug 2, 2026
    Aug 2, 2026
    1.8K

    How do real smart contract audits work in practice? What do auditors check before Slither, Mythril, Foundry fuzzing, or Echidna?

    I'm trying to understand how senior auditors approach production Solidity code when an audit starts. A lot of beginner guides make auditing sound like: "Run Slither $\rightarrow$ check for basic...

    Like 5 Replies 8
  • MakerInProgress

    MakerInProgress

    @MakerInProgress • Dec 14, 2025
    Dec 14, 2025
    810

    I’m preparing for a system design interview. How do you explain blockchain consensus trade-offs without going too deep?

    I’ve got a system design interview coming up for a blockchain role, and I’m struggling with how to talk about consensus algorithms without either oversimplifying or going way too deep....

    Like 5 Replies 3
  • Difficulty - Medium
    Total Plays - 13
    Allowed Time - 10 sec
    Best time - 3.307

    Why should developers avoid using tx.origin for authentication?

    Tip: Click "Play" to reveal options and start playing.

    #A
    #B
    #C
    #D
    Explanation:
    Attackers can trick users into calling a malicious contract. That contract then makes a call where tx.origin equals the victim’s address. This bypasses access control and leads to unauthorized actions.
    Leaderboard
  • ChainMentorNaina

    ChainMentorNaina

    @ChainMentorNaina • Dec 4, 2025
    Dec 4, 2025
    1.4K

    I’m a Junior dApp Developer and Community Upgrades Were Chaos — How Do I Explain This Safely in Interviews?

    I’m a junior dApp developer with just under a year of experience, and I’m switching jobs soon. One thing that still bothers me from my last role is how messy...

    Like 5 Replies 4
  • smith taylor

    smith taylor

    @kmBguOK • Nov 28, 2025
    Nov 28, 2025
    687

    Final Year, 2 Internships Done — How Do I Get My First Full-Time Blockchain Developer Role?

    I’m in my final year of college and just wrapped up two internships, but I still don’t have a full-time blockchain developer offer. Both internships were with small startups where...

    Like 5 Replies 4
  • Damon Whitney

    Damon Whitney

    @CareerSensei • Nov 26, 2025
    Nov 26, 2025
    665

    Burned Out as a Blockchain Developer in Dubai — Is Switching to DevRel Actually a Better Long-Term Career Move?

    I’m honestly feeling burned out after 3+ years working as a blockchain developer in Dubai. Long hours, late-night deployments, nonstop tech changes… it’s draining. I still care about Web3, but...

    Like 5 Replies 6
  • SolidityStarter

    SolidityStarter

    @SolidityJatin • Nov 17, 2025
    Nov 17, 2025
    776

    MEV Jobs Require Experience But I'm Junior - How Do I Get Hands-On MEV Experience for Interview Success?

    The job description asks for experience with MEV. As a junior, how can I possibly get hands-on experience with this to apply for roles? I've been working and studying Solidity...

    Like 5 Replies 9
  • Abasi T

    Abasi T

    @ggvVaSO • Jul 4, 2026
    Jul 4, 2026
    564

    Struggling with Hardhat deb as a junior — how do seniors validate Solidity state transitions, revert paths, and storage changes without relying on console.log spam?

    I am working on my first few smart contracts using Hardhat, and whenever something breaks, I fall back to spamming console.log until it somehow works. It feels messy, and honestly,...

    Like 5 Replies 5
  • AlexDeveloper

    AlexDeveloper

    @Alexdeveloper • Nov 14, 2025
    Nov 14, 2025
    364

    How Should Web3 Product Ops Teams Build Incident Response Playbooks After Mainnet Failures?

    Last week, our NFT bridge malfunctioned during a mainnet upgrade — 37 stuck transactions, $40K locked for 12 hours. Engineering fixed it quickly, but Product Ops was unprepared. No one...

    Like 5 Replies 2
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About ArtofBlockchain

ArtOfBlockchain.club is a discussion-first community for blockchain jobs, Web3 careers, interview prep, and proof-based hiring insights.

Founded Jul 4, 2024


Recently active members

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Latest activity

  • ChainPenLilly
    ChainPenLilly • liked 25m
    I would say this is happening not because you have less experience. This happens...
  • ChainPenLilly
    ChainPenLilly • liked 26m
    Security audits for blockchain-based casinos in Singapore/APAC — what do auditors actually focus on (fairness, RNG, bots)?
  • Peter Sjolin
    Peter Sjolin • published 6h
    Demos say more than a thousand resumes
  • Rachel Morgan
    Rachel Morgan • replied to 1d
    How do real smart contract audits work in practice? What do auditors check before Slither, Mythril, Foundry fuzzing, or Echidna?
  • Peter Sjolin
    Peter Sjolin • liked 1d
    How to start a career in blockchain forensics at a US startup (remote Web3 jobs) — scams, wallet tracing, and compliance investigations
  • Shubhada Pande
    Shubhada Pande • published 2d
    Senior Software Engineer, Custody & Settlement
  • Shubhada Pande
    Shubhada Pande • published 2d
    Director of Payments & Risk
  • Shubhada Pande
    Shubhada Pande • published 2d
    Senior Compliance Officer
  • Shubhada Pande
    Shubhada Pande • published 2d
    Money Laundering Reporting Officer (MLRO)
  • Shubhada Pande
    Shubhada Pande • published 2d
    Senior Software Engineer, Protocol (Rust)

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