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Akemi R
@snappy-bullet • Nov 20, 2025

Nov 20, 2025

275

Got removed from my first blockchain job — now scared to ask for help again

This is my second blockchain developer job, and honestly, I’m still a bit shaken from the first one — I got kicked off partly because I asked too many questions...

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Abasi T
@ggvVaSO • Dec 27, 2025

Dec 27, 2025

321

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

I’ve been building 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, I...

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Difficulty - Medium

Total Plays - 11

Allowed Time - 10 sec

Best time - 2.399

What’s the fastest proof path for new smart-contract auditors?

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

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Explanation:
Participating in open audit contests on platforms like Code4rena builds verified proof and community trust.

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Difficulty - Medium

Total Plays - 8

Allowed Time - 10 sec

Best time - 5.251

What distinguishes Slither from MythX?

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

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Explanation:
Slither performs static code analysis; MythX simulates runtime—using both covers complementary vulnerabilities.

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Difficulty - Medium

Total Plays - 8

Allowed Time - 10 sec

Best time - 0.966

Which metric shows DAO user re-activation success?

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

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Explanation:
High voter turnout proves community re-engagement—an LSI metric linking retention to decentralized decision activity.

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Difficulty - Medium

Total Plays - 8

Allowed Time - 10 sec

Best time - 8.679

What’s the safest pattern for upgradeable contracts?

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

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Explanation:
Transparent proxy separates admin logic from user calls, preventing proxy loops and role confusion.

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Difficulty - Medium

Total Plays - 7

Allowed Time - 10 sec

Best time - 10

What does KYT stand for in crypto compliance?

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

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Explanation:
KYT (Know Your Transaction) tools continuously track wallet and transaction behavior to spot patterns linked to money laundering or terrorist financing. They flag suspicious activity in real time, helping crypto exchanges and institutions stay compliant with global regulations like FATF’s Travel Rule and EU MiCA, which require active monitoring of on-chain transactions for risk assessment and transparency.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 10

What’s a DAO PM’s biggest challenge in remote teams?

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

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Explanation:
DAO PMs manage globally distributed contributors — asynchronous updates ensure aligned execution without meetings.

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Difficulty - Medium

Total Plays - 6

Allowed Time - 10 sec

Best time - 1.077

Which audit confirms token reserves on-chain?

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

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Explanation:
Proof of Reserves (PoR) is an audit that checks if a crypto exchange truly holds enough on-chain assets to cover all user deposits. It compares wallet balances with total liabilities to confirm solvency. This transparent process builds user and regulatory trust by proving funds actually exist.

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 1.835

Which keyword prevents a function override vulnerability?

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

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#D

Explanation:
The internal specifier limits access to derived contracts only, reducing attack surface and inheritance misuse.

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Difficulty - Medium

Total Plays - 4

Allowed Time - 10 sec

Best time - 10

Which testing tool supports property-based fuzzing for Solidity?

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

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Explanation:
Echidna auto-generates random inputs to stress invariants, uncovering deep logic vulnerabilities.

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Tushar Dubey
@DataChainTushar • Nov 13, 2025

Nov 13, 2025

204

As a Multichain QA Engineer, How Do You Manage Test Coverage Drift When ETH Is Stable but Polygon/BSC Keep Failing?

I’m working as a blockchain QA engineer on a multichain DeFi protocol, and our test coverage has started drifting across networks. Ethereum runs are usually stable, but Polygon and BSC...

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Abdil Hamid
@ForensicBlockSmith • Oct 28, 2025

Oct 28, 2025

252

Live PR review nerves — do seniors secretly judge beginners too harshly?

I’ll be honest — interviews don’t scare me anymore.But that first live Pull Request review at a real job? Terrifying.I’ve heard stories that seniors can be blunt, especially in blockchain...

Like 3 Replies 2
DeFiArchitect
@DeFiArchitect • Oct 26, 2025

Oct 26, 2025

316

Recruiters — how do you actually check if someone’s blockchain experience is real?

Over the last few months, I’ve seen a strange pattern while helping our talent acquisition team searching for mid-level blockchain developers. The pattern is almost everyone’s résumé reads the same...

Like 3 Replies 3
Sayali Bhandari
@SayaliB • Oct 10, 2025

Oct 10, 2025

274

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...

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Arif
@ofh3VYy • Sep 30, 2025

Sep 30, 2025

348

Am I missing anything major on my resume for a Web3/Blockchain career ?

Hi everyone,I’m a final-year Computer Science undergrad (graduating in 2025) and 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...

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Andria Shines
@ChainSage • Jul 10, 2025

Jul 10, 2025

377

How Do You Handle Blockchain Developer Imposter Syndrome as a Self-Taught Dev Among CS Grads?

How do you handle impostor syndrome when you're a self-taught blockchain developer working alongside CS grads?For a bit of context, I’m a self-taught developer currently studying computer science, and I’m...

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DeFiArchitect
@DeFiArchitect • Dec 23, 2025

Dec 23, 2025

402

Switching Into Enterprise Blockchain Business Development — What Backgrounds Really Work?

I’m trying to understand how people actually enter enterprise blockchain business development, not general Web3 BD or token partnership roles.Most examples online talk about crypto startups, exchanges, or ecosystem partnerships....

Like 3 Replies 1
Shubhada Pande
@ShubhadaJP • Apr 9, 2025

Apr 9, 2025

743

How to Become Blockchain Security Engineer? Part 2

Are you tired of hearing that blockchain security is only for geniuses with PhDs? Wrong. In this guide (Part 2), you'll learn practical skills to protect blockchains; believe me, no...

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Shubhada Pande
@ShubhadaJP • Apr 5, 2025

Apr 5, 2025

862

How to Become Blockchain Security Engineer? Part 1

Picture this: A hacker in pajamas (hoodies are so 2023) stole $200M from a crypto exchange while reheating cold pizza. Not a movie—just another incident in blockchain land.Hackers are winning,...

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