ArtofBlockchain

Difficulty - Medium

Total Plays - 38

Allowed Time - 10 sec

Best time - 0.959

What does zk-SNARK stand for?

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

#A

#B

#C

#D

Explanation:
zk-SNARKs are zero-knowledge proofs that improve blockchain privacy and scaling by verifying transactions without revealing sensitive data.

Leaderboard
Shubhada Pande
@ShubhadaJP • Sep 20, 2025

Sep 20, 2025

2.7K

How to Crack Solidity Interviews in 2025: From Technical Prep to Career Growth

Solidity interviews in 2025 are a different challenge. Employers hiring for senior smart contract developer roles expect more than syntax knowledge. They want to see if you can design secure,...

Like 10 Replies 1
AshishS
@Web3SecurityPro • Jan 1, 2026

Jan 1, 2026

349

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...

Like 1 Replies 1
Shubhada Pande
@ShubhadaJP • Dec 24, 2025

Dec 24, 2025

1.2K

Which Blockchain Certifications Actually Help Career Switchers Get Hired in 2025?

TL;DRIf you’re switching careers into blockchain in 2025, certifications can help — but only in specific ways.They work best as entry signals, not proof of job readiness. Hiring teams still...

Like 7 Replies 2
Shubhada Pande
@ShubhadaJP • Sep 13, 2025

Sep 13, 2025

716

From Play-to-Earn to GameFi: Blockchain Gaming Developer Career Roadmap, Salaries & Skills 2025

The fusion of blockchain and gaming is transforming digital entertainment and professional opportunity. As play-to-earn (P2E) and GameFi models surge, blockchain gaming developers are now among the most sought-after professionals...

Like 5 Replies 1
Abhishek Rajbhar
@abhishekrajbhar • Sep 22, 2025

Sep 22, 2025

433

Hello guys new here..... 👋👋

Hello guys, I'm new here. I got invited on LinkedIn by @ShubhadaJP, so I am here.I am a crypto and Web3 writer.You can connect with me here - https://www.linkedin.com/in/abhishek-rajbhar/

Like 6 Replies 2
Difficulty - Medium

Total Plays - 52

Allowed Time - 10 sec

Best time - 1.182

Which consensus offers fastest finality?

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

#A

#B

#C

#D

Explanation:
BFT-based (Byzantine Fault Tolerant) consensus mechanisms achieve instant or near-instant finality by requiring agreement among validators in just one round of communication, allowing transactions to be finalized in seconds—faster than PoW, PoS, or DPoS.

Leaderboard
Difficulty - Medium

Total Plays - 34

Allowed Time - 10 sec

Best time - 0.734

Which consensus offers fastest finality?

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

#A

#B

#C

#D

Explanation:
BFT-based (Byzantine Fault Tolerant) consensus mechanisms achieve instant or near-instant finality by requiring agreement among validators in just one round of communication, allowing transactions to be finalized in seconds—faster than PoW, PoS, or DPoS.

Leaderboard
Difficulty - Medium

Total Plays - 65

Allowed Time - 10 sec

Best time - 1.561 sec

What is the EVM?

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

#A

#B

#C

#D

Explanation:
The Ethereum Virtual Machine (EVM) is a global, decentralized computer that executes smart contracts on the Ethereum blockchain. It ensures every node produces the same results, keeping the network consistent and secure.

Leaderboard
Difficulty - Medium

Total Plays - 51

Allowed Time - 10 sec

Best time - 1.790

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.

Leaderboard
Difficulty - Medium

Total Plays - 45

Allowed Time - 10 sec

Best time - 1.153

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.

Leaderboard
Masum Ahmed
@RUVjrx2 • Aug 28, 2025

Aug 28, 2025

409

4 YoE exp as fullstack , looking to switch to web3 ever since I went to TOKEN2049

I am having a 4 YoE in Fullstack development, have been working in react , typescript, node , AWS , Docker , kubernetes, testing , python . Have little knowledge...

Like 7 Replies 2
Masum Ahmed
@RUVjrx2 • Aug 28, 2025

Aug 28, 2025

367

TOKEN2049 Dubai

Anyone who participated in TOKEN2049 Dubai?

Like 2 Replies 1
Omkar Kulkarni
@dGdAUQP • Sep 13, 2025

Sep 13, 2025

434

IS FULL STACK DEVELOPER CAN BECOME A BLOCK CHAIN DEVELOPER?

Currently I'm working in small startup as a Flutter+NodeJs Developer but I want to switch to learn new skill and want make a good career and started learning about Blockchain.Is...

Like 7 Replies 3
Shubhada Pande
@ShubhadaJP • Dec 18, 2025

Dec 18, 2025

1.6K

Blockchain Developer Resume Guide (2025): How Web3 Recruiters Shortlist Candidates

Landing a blockchain job in 2025 takes more than “knowing Solidity” or completing a few tutorials. Your resume is still the gateway — but Web3 hiring has changed. Recruiters and...

Like 5 Replies 1
Angela R
@Web3SkillMapper • Aug 24, 2025

Aug 24, 2025

411

Is a Blockchain MBA worth it for getting into Web3 leadership?

I’m thinking about joining a Blockchain MBA or an executive program. I want to move into a leadership role in Web3 like product, strategy, business development, or similar.Has anyone here...

Like 9 Replies 2
Santosh kumar Valuroutu
@R7uufvU • Dec 14, 2025

Dec 14, 2025

526

Need guidance

I learned blockchain basics, solidity and foundry and I don't know what to do next. I am interested in daaps and have some ideas.

Like 7 Replies 0
KK
@kaustubh • Sep 4, 2025

Sep 4, 2025

407

How'd you explain Blockchain to a 5 and a 10 Year Old?

Just curious - how’d you go about explain what blockchain is to a 5 and a 10 year old? Someone asked me - and I couldn’t. Let me know.

Like 5 Replies 2
Zamereum
@zippy-cloud • Feb 26, 2026

Feb 26, 2026

432

UAE Web3 job search (Dubai): 2-year blockchain dev looking for referrals, meetups, and cert guidance

Hi everyone — I’m a blockchain developer in Dubai/UAE on a 2-month visit visa, and I’m actively trying to land a role here before my visa runs out. I have...

Like 4 Replies 3
Akemi R
@snappy-bullet • Mar 31, 2026

Mar 31, 2026

470

Dubai vs Bangalore for Blockchain Product Managers: Salary, Tax, Rent, and Real-Life Tradeoffs

I’m a product manager in India and seriously trying to understand whether moving to Dubai for a blockchain product role is actually better than staying in Bangalore once the full...

Like 7 Replies 3