Home | ArtofBlockchain

Shubhada Pande
@ShubhadaJP • Jan 14, 2026

Jan 14, 2026

331

Smart Contract Security Explained: Vulnerabilities, Audits, Threat Modeling & Security Careers

Smart contract security is not just about memorizing vulnerabilities or passing an audit checklist.In real Web3 teams, security failures emerge from broken assumptions, rushed upgrades, misunderstood execution flow, poor observability,...

Like 5 Replies 2
AlexDeveloper
@Alexdeveloper • Jan 13, 2026

Jan 13, 2026

108

Getting paid in stablecoins: should my invoice be in USD, USDC, or local currency?

I’m getting paid in stablecoins for a cross-border contract and I’m embarrassed to admit I’m stuck on the invoicing basics. How does stablecoin invoicing work in real life when the...

Like 2 Replies 2
Shubhada Pande
@ShubhadaJP • Jan 13, 2026

Jan 13, 2026

250

Smart Contract Interview Prep: Technical, Security, Debugging & Founder Rounds Explained

Smart contract interviews are not about reciting Solidity syntax or memorizing vulnerabilities.Strong candidates fail when they can’t explain how they think, can’t reason through trade-offs, or panic when pushed beyond...

Like 5 Replies 1
Shubhada Pande
@ShubhadaJP • Jan 13, 2026

Jan 13, 2026

161

Web3 Hiring Signals: What Strong Candidates Quietly Look For Before Applying

A common Web3 hiring problem: many applicants, low fitIn Web3 hiring, a job post can get a lot of interest. Applications come in fast. But the hiring team still feels...

Like 0 Replies 0
Victor P
@TrG6JIR • Jan 12, 2026

Jan 12, 2026

378

AWS architect here — how realistic is moving into blockchain infrastructure or validator work?

Hey folks,I’m an AWS architect with ~4 years of experience, mostly enterprise work — cloud migrations, Kubernetes, Terraform, CI/CD, and running distributed systems that can’t afford downtime.Lately, I keep seeing...

Like 7 Replies 5
Shubhada Pande
@ShubhadaJP • Jan 12, 2026

Jan 12, 2026

301

Web3 Non-Developer Interview Prep: QA, Product, Infra, Support & Security Roles Explained

Non-developer Web3 interviews are rarely about tools alone.Strong candidates often fail because they can’t explain reasoning, don’t communicate ownership, or misjudge what interviewers are actually evaluating across Product, QA, Infra,...

Like 4 Replies 3
AlexDeveloper
@Alexdeveloper • Jan 11, 2026

Jan 11, 2026

129

Senior blockchain dev here — how do mature Web3 teams calibrate interviews differently than early-stage startups (and what should I read from it)?

I’m a senior blockchain developer and I’m noticing a pattern that’s messing with my decision-making.When I interview with more established Web3 teams (shipping product, actual users, clearer org), the loop...

Like 2 Replies 1
Abdil Hamid
@ForensicBlockSmith • Jan 10, 2026

Jan 10, 2026

1.5K

How Would You Actually Reduce NFT Minting Costs in Production — Not Just on Paper? (Interview Perspective)

I’m preparing for a blockchain interview and got asked a version of this question:“How would you reduce NFT minting costs on Ethereum in a real production setup?”I understand the basics...

Like 3 Replies 3
Ophirians Maharlika
@eCErd43 • Jan 10, 2026

Jan 10, 2026

122

💬 Let’s Talk About Security Auditing in Web3

Security has become one of the most talked-about topics in Web3 — and for good reason.Every week, we see new exploits, drained contracts, or projects shutting down because something small...

Like 1 Replies 2
AnitaSmartContractSensei
@SmartContractSensei • Jan 9, 2026

Jan 9, 2026

3.1K

Rust dev moving into Web3 — how do you answer ‘Tell me about yourself’ without sounding like a blockchain newbie?

I’m a Rust dev (backend + performance stuff) and I’m interviewing for Web3 roles now. This sounds silly, but “Tell me about yourself” is the one question where I freeze,...

Like 10 Replies 5
Amanda Smith
@AmandaS • Jan 9, 2026

Jan 9, 2026

1.0K

4 years as a Salesforce dev — should I jump to Solidity now, or keep Salesforce as my safety net?

I’ve been a Salesforce developer for almost 4 years (certified, regular projects, decent stability till recently). But the market feels shaky now and I’m honestly not super confident it’ll stay...

Like 7 Replies 2
Aditi R
@aGoKU4J • Jan 9, 2026

Jan 9, 2026

408

From AAA Game Economy Design to GameFi: What Skills Actually Transfer (and What Don’t)?

I’ve been working in the traditional gaming industry for several years, mostly around player engagement, progression systems, and game loops. Recently, I’ve been trying to understand whether moving into GameFi...

Like 1 Replies 4
Miben Rogers
@YGHQ65t • Jan 8, 2026

Jan 8, 2026

152

Mid-career blockchain developer here — salary ranges feel unpredictable, what should I pay attention to?

I’ve been working as a blockchain developer for a few years now and have started interviewing again, but I’m struggling to make sense of compensation this time around.For similar roles,...

Like 4 Replies 5
Abdil Hamid
@ForensicBlockSmith • Jan 7, 2026

Jan 7, 2026

1.4K

Teaching Solidity to beginners: which project-based blockchain books/ebooks are actually worth it (and not outdated in 2025?)

Hey everyone — I’m designing a beginner-friendly Solidity + smart contract track for students, and I’m trying to avoid the usual trap: they read a “blockchain book” for weeks, feel...

Like 14 Replies 5
SolidityStarter
@SolidityJatin • Jan 7, 2026

Jan 7, 2026

466

Fintech BA (4 yrs, India) — strong in SQL + Power BI, not a dev: which remote Web3 roles are actually realistic, and what proof projects get interviews?

I’m a business analyst in fintech (4 years) based in India. I live in SQL + Power BI, reporting, KPI definitions, stakeholder calls, etc. I’m trying to move into Web3...

Like 5 Replies 4
Shubhada Pande
@ShubhadaJP • Feb 4, 2026

Feb 4, 2026

236

Solidity Debugging & Tooling Hub (Tracing, Reverts, Incidents, Postmortem Proof)

Like 1 Replies 1
Shubhada Pande
@ShubhadaJP • Jan 6, 2026

Jan 6, 2026

286

How to Debug Solidity Smart Contracts: Hardhat, Testnets, Flaky Tests & Production Failures

Debugging Solidity smart contracts is one of the hardest skills to master in Web3 — and one of the most frequently tested in real interviews and on-the-job scenarios.Most smart contract...

Like 3 Replies 1
Shubhada Pande
@ShubhadaJP • Jan 4, 2026

Jan 4, 2026

404

Inside 2025’s Blockchain Hiring Surge: What Actually Changed in Web3 Hiring (and Why Most People Missed It)

A data-backed analysis of how Web3 hiring quietly transformed — and why clarity now matters more than speed.The Year the Market Quietly ChangedIn 2025, something unexpected happened in the blockchain...

Like 1 Replies 1
Emma T
@5INFFa4 • Jan 3, 2026

Jan 3, 2026

505

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?”...

Like 6 Replies 5
Difficulty - Medium

Total Plays - 30

Allowed Time - 10 sec

Best time - 0.900

Which opcode is deprecated but still callable?

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

#A

#B

#C

#D

Explanation:
CALLCODE is deprecated due to unsafe context handling. It remains callable for backward compatibility but should never be used in new designs.

Leaderboard