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Web3Learner_Abaz

@Web3LearnerAbaz • 3mos

As a junior Solidity dev, how deep should I really go into gas optimization during interviews?

I’ve noticed that most junior Solidity interviews don’t dive too heavily into gas micro-optimizations unless it’s for a DeFi or L2 project where every extra transaction cost matters. What interviewers...

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Shubhada Pande

@ShubhadaJP • 5d

Smart Contract Interview Prep Hub (US-style loops, take-homes, security + proof)

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Difficulty - Medium

Total Plays - 51

Allowed Time - 10 sec

Best time - 1.790 sec

What is front-running in DeFi?

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

#A

#B

#C

#D

Explanation:
Traders exploit transaction ordering for profit.

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ChainSavant

@ChainSavant • 3w

Aleo vs Aztec vs Mina for ZK jobs: how do I pick one, and how do I explain my ZK work to non-technical recruiters?

I’m trying to move into privacy / ZK developer roles, but I’m stuck at the “pick one ecosystem” step. I keep bouncing between Aleo, Aztec, and Mina (and sometimes Secret/Oasis),...

5

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AshishS

@Web3SecurityPro • 4mos

I’m a UX designer trying to break into Web3, but I can’t tell if I’m learning the right things or just guessing

I’ve been trying to move into Web3 UX for a while now and honestly I’m a bit confused about what actually matters.In Web2 things felt clearer — usability testing, user...

1

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Shubhada Pande

@ShubhadaJP • 3w

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,...

5

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CryptoSagePriya

@CryptoSagePriya • 1mo

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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Shubhada Pande

@ShubhadaJP • 3mos

ArtofBlockchain’s Job Board

Curated Web3 & blockchain jobs (tech + non-tech) with verified direct-apply links from real company career pages — no scraped roles, no fake redirects, no noise.Hey everyone 👋AOB’s Blockchain Job...

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Arif

@ofh3VYy • 3mos

Tear this resume apart — what’s missing for a solid Web3 dev profile ?

Hi everyone,I’ve been focusing on Blockchain/Web3 development alongside my core CS skills. I’ve attached my current resume for review.I’m curious:Does this resume look strong enough for entry-level Web3/blockchain developer or...

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Shubhada Pande

@ShubhadaJP • 3mos

How to Pass Smart Contract Developer Interviews in 2025: Hiring Signals Founders Trust in the First 20 Minutes

Skills are not your biggest challengeEvery week, Smart Contract developers apply to Web3 startups with clean GitHub profiles, personal DApps, solidity practice, and strong motivation. Yet the rejections come before...

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ChainSavant

@ChainSavant • 2w

When a Junior Triggers a Production Incident: What’s the Right Way to Respond Without Making Things Worse?

The first time I broke production, I honestly thought I was done for. The bug itself wasn’t huge, but the panic that followed definitely was. I pushed a quick fix...

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Sayali Bhandari

@SayaliB • 4mos

Failed a technical interview for a Blockchain Security Engineer role — need help with cryptography prep

I recently gave a technical interview for a Blockchain Security Engineer position and didn’t make it through. Most of the questions were around cryptography, and I realized that’s where my...

3

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Shubhada Pande

@ShubhadaJP • 2mos

Hiring Managers & Recruiters Hub - Hiring Signals • Interview Expectations • Communication • Team Fit • Review Culture

This hub focuses on what hiring managers, recruiters, founders, and senior engineers expect during hiring.Readers of these threads often feel unsure, anxious, or curious about how hiring decisions are made,...

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Difficulty - Medium

Total Plays - 43

Allowed Time - 10 sec

Best time - 1.153 sec

Q. Which best describes a 51% attack in blockchain?

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

#A

#B

#C

#D

Explanation:
A 51% attack happens when one miner/validator controls over half the network’s power or stake. This lets them rewrite history or double-spend coins, threatening security. It’s rare on large chains like Bitcoin but a risk for smaller ones.

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ChainMentorNaina

@ChainMentorNaina • 1w

Upgradeable contracts still confuse me — how do you reason about initializer guards and storage layout safely?

Upgradeable contracts feel like a superpower… until you break storage or forget an initializer guard 😅. Every tutorial says “use UUPS or Transparent Proxy,” but they rarely explain why these...

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