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smith taylor
@kmBguOK • Sep 29, 2025

Sep 29, 2025

995

Which Blockchain Jobs Are Growing Fastest Right Now?

Hi everyone,I’m trying to explore career opportunities in the blockchain industry and would like to understand from professionals who are working in this field.What kinds of jobs exist in blockchain...

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Shubhada Pande
@ShubhadaJP • Oct 26, 2024

Oct 26, 2024

1.1K

Indian Agriculture and Blockchain: A Strategic Vision

Its agriculture sector is in the heart of India’s economy, a realm ripe for innovation and growth. The advent of blockchain technology heralds a new epoch for this sector, promising...

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Shubhada Pande
@ShubhadaJP • Oct 26, 2024

Oct 26, 2024

1.2K

Smart Contract examples

Blockchain technology has been making waves in recent years, and one of its most fascinating aspects is the concept of smart contracts. But what exactly are smart contracts in blockchain,...

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SmartContractGuru
@SmartContractGuru • Feb 18, 2026

Feb 18, 2026

2.2K

US DeFi Solidity interviews: how to explain external call risks without sounding textbook (reentrancy, reverts, gas griefing)

In a recent US DeFi team Solidity interview (remote loop), I got asked: “What are the risks of making an external call in a smart contract, and how would you...

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Tushar Dubey
@DataChainTushar • Feb 14, 2026

Feb 14, 2026

461

Singapore Web3 Growth roles: EP pass reality, hybrid expectations, and SGD vs token pay — what should I verify?

Quick context before I sign anything — I’m sanity-checking: EP vs contractor/EOR, what “hybrid” actually means week-to-week, and whether the pay is mostly SGD or mostly token “upside”. Also trying...

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Tushar Dubey
@DataChainTushar • Feb 14, 2026

Feb 14, 2026

347

Hardhat vs Foundry 2025 — if I’m targeting Singapore roles, which one should I go deep on first?

I’m moving from Web2 backend into Solidity and trying to pick one default workflow for interviews.I’m targeting Singapore roles (EP + hybrid), with Dubai as a secondary option if timelines...

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Damon Whitney
@CareerSensei • Jan 21, 2026

Jan 21, 2026

1.6K

I built an ERC-20 + a voting DApp… but I still feel “not hireable” for junior blockchain roles. What should I build next?

I’m confused and I’m not sure if I’m wasting time. I’m from a CS + web dev background (JS, React, Node). Over the last few months I’ve been going hard...

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Abasi T
@ggvVaSO • Jan 20, 2026

Jan 20, 2026

555

I’m an introvert blockchain dev — how do I network for Web3 jobs without conferences or loud Twitter spaces?

I’m a smart contract / dApp developer (~3 years) and I’m finally at the stage where I want better Web3 opportunities — not just more learning. The problem is… most...

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Abdil Hamid
@ForensicBlockSmith • Jan 17, 2026

Jan 17, 2026

349

Building a Blockchain/Web3 Portfolio Site: Sections, Case Studies, and Metrics

As someone who’s worked in forensic investigations, fraud detection, and smart contract security, I want to build a public-facing Web3 portfolio site to present my projects in a structured way.Beyond...

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Abasi T
@ggvVaSO • Jan 15, 2026

Jan 15, 2026

471

Nigeria backend dev: best language path for Web3 jobs — Solidity vs Rust vs “backend infra” route?

I’m a backend developer in Nigeria (3 years). I work mostly in Python + JavaScript. I understand Rust basics, but I haven’t shipped anything blockchain yet.I keep seeing “learn Solidity”...

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Emma T
@5INFFa4 • Jan 3, 2026

Jan 3, 2026

498

How to Answer “Why Blockchain?” When Transitioning from Cybersecurity to Blockchain Security Roles

I’m preparing for interviews for blockchain security engineer roles after four years in cybersecurity. The question that keeps tripping me up is: “Why do you want to work in blockchain?”...

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Difficulty - Medium

Total Plays - 16

Allowed Time - 10 sec

Best time - 3.422

Which type consumes exactly one storage slot regardless of value?

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

#A

#B

#C

#D

Explanation:
bytes32 always occupies a full 32-byte storage slot. Smaller types may be packed together, but bytes32 always stands alone.

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CryptoSagePriya
@CryptoSagePriya • Jan 1, 2026

Jan 1, 2026

294

I’m starting my first smart contract job next week and I’m honestly nervous — what actually matters during probation?

I’m starting my first smart contract job next week and honestly I’m nervous.Everyone keeps saying “probation decides everything” but no one really explains how.Some people say move fast. Some say...

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Difficulty - Medium

Total Plays - 17

Allowed Time - 10 sec

Best time - 1.455

Why is bytes32 cheaper than string in storage?

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#A

#B

#C

#D

Explanation:
bytes32 has a fixed 32-byte size and fits into a single storage slot. string is dynamically sized and requires additional storage pointers and length metadata.

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Shehnaz Hussain
@shehnaz • Dec 23, 2025

Dec 23, 2025

1.7K

How to switch to blockchain testing? Key skills, tools, and career scope?

I'm trying to move into blockchain QA but not sure where to begin.I’ve spent the last 5 years working in manual software testing, and recently, I’m planning to switch to...

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MakerInProgress
@MakerInProgress • Dec 10, 2025

Dec 10, 2025

1.5K

Nethermind 15-Minute Technical Interview: What Ethereum Intern Candidates Should Actually Expect

I just got a 15-minute technical interview invite from Nethermind for a blockchain internship, and I’m excited—but honestly a bit scared. This is my first real Ethereum-focused interview, and because...

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Abdil Hamid
@ForensicBlockSmith • Dec 9, 2025

Dec 9, 2025

1.2K

I’m Moving From Finance Into Blockchain Development — What Career Mistakes Should I Avoid in My First 12 Months?

I’m shifting from forensic investigations in investment banking into blockchain development, and the transition has been more unpredictable than I expected. The technical learning curve is steep, but the career...

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Difficulty - Medium

Total Plays - 12

Allowed Time - 10 sec

Best time - 6.381

What does a selector collision indicate?

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

#A

#B

#C

#D

Explanation:
Selector collisions occur when different function signatures hash to the same first 4 bytes. This leads to unintended dispatching and silent bugs. It’s especially dangerous in diamond proxies and minimal routers.

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Difficulty - Medium

Total Plays - 8

Allowed Time - 10 sec

Best time - 1.153

What makes fallback functions error-prone?

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

#A

#B

#C

#D

Explanation:
Fallbacks receive raw calldata without predefined structure, forcing developers to manually decode and validate inputs. Any mistake leads to reentrancy or mis-routing. They must be extremely minimal.

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Web3WandererAva
@Web3Wanderer • Nov 27, 2025

Nov 27, 2025

763

Still confused between blockchain developer and blockchain engineer — can someone explain in simple terms?

I’m still not fully clear on the difference between a blockchain developer and a blockchain engineer. I see both titles everywhere on LinkedIn and job portals, and honestly, it’s confusing....

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