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Abhishek Rajbhar
@abhishekrajbhar • Sep 22, 2025

Sep 22, 2025

388

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/

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Difficulty - Medium

Total Plays - 51

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.

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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 - 64

Allowed Time - 10 sec

Best time - 1.603

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.

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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.

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Difficulty - Medium

Total Plays - 44

Allowed Time - 10 sec

Best time - 1.153

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

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#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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Masum Ahmed
@RUVjrx2 • Aug 28, 2025

Aug 28, 2025

350

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...

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Masum Ahmed
@RUVjrx2 • Aug 28, 2025

Aug 28, 2025

311

TOKEN2049 Dubai

Anyone who participated in TOKEN2049 Dubai?

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Omkar Kulkarni
@dGdAUQP • Sep 13, 2025

Sep 13, 2025

363

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...

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Shubhada Pande
@ShubhadaJP • Dec 18, 2025

Dec 18, 2025

1.4K

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...

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Angela R
@Web3SkillMapper • Aug 24, 2025

Aug 24, 2025

347

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

457

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.

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Kaustubh
@kaustubh • Sep 4, 2025

Sep 4, 2025

343

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.

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Zamereum
@zippy-cloud • Aug 22, 2025

Aug 22, 2025

356

Seeking Guidance from Experienced Blockchain Professionals in Dubai/UAE

Hi Everyone , I’m a Blockchain Developer with 2 years of experience building smart contracts, NFTs, DeFi projects, and other Web3 magic. I’ve spent the last couple of years working...

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Akemi R
@snappy-bullet • Aug 5, 2025

Aug 5, 2025

395

Is Dubai Really Better for Blockchain PMs? Salary, Taxes & Real Life vs Bangalore

Are there any professionals here actually working as a blockchain PM in Dubai or Bangalore? I keep hearing “Dubai is tax-free, you’ll save a ton”—but rents look nuts.Is it true...

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Olivia Smith
@SmartOlivia • Oct 1, 2025

Oct 1, 2025

456

How Do You Use the STAR Method in Blockchain Interviews? (Heard This on a LinkedIn Webinar)

Quick question for the group—at a recent LinkedIn webinar, the career coach kept highlighting the STAR method as a must for blockchain interviews. Has anyone using this technique, how do...

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Shubhada Pande
@ShubhadaJP • Jul 26, 2025

Jul 26, 2025

3.9K

The Ultimate Guide to NFT Careers in 2025: High-Paying Jobs Beyond Art

You know those NFT pictures that cost thousands of dollars? Well, now there are actual jobs working with that same technology.Most people think NFTs are just weird digital art that...

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Jay
@NukangaNetwork • Jul 25, 2025

Jul 25, 2025

574

Where to start? Newbie in Blockchain.

I am building a Network State. Gradually I will be incorporating more and more Web 3 tech into our community such as NFTs, our own cryptocurrency and a DAO.How should...

Like 2 Replies 1
CryptoCoder_AJ
@CryptoCoderAJ • Sep 25, 2025

Sep 25, 2025

388

Company Going Blockchain - How Do I Actually Make This Career Switch Happen?

My company is moving into blockchain development. What's the best way to convince my manager to let me transition into a new role internally?Honestly, I'm kind of freaking out because...

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Shubhada Pande
@ShubhadaJP • Dec 25, 2025

Dec 25, 2025

4.1K

Blockchain Quality Engineer Career Path (QA → Web3 Security & Testing Roles in 2025)

Many QA engineers and testers exploring blockchain careers run into the same problem: job listings sound security-heavy, interview expectations feel unclear, and it’s hard to tell whether companies want testers,...

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