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AshishS

@Web3SecurityPro • 3w

How do I start a Web3 UX research career?

I’m just starting out as a UI/UX designer and I’m very curious about how user experience research works in Web3. The design challenges feel very different compared to Web2.For example,...

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FintechLee

@FintechLee • 6d

How Do You Measure Growth and Engagement as a Web3 Community Manager?

I’m curious to hear from other professionals here. if you’re working as a Web3 community manager, what KPIs do you actually track to prove your impact?Beyond just “number of members,”...

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amanda smith

@DecentralizedDev • 2w

Contractor vs Employee in Web3: What’s Better?

I’m looking at different career options in Web3 and confused at same question: should I work as a contractor/freelancer or take up a full-time employee role?On one hand, contractor roles...

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Difficulty - Medium

Total Plays - 26

Allowed Time - 10 sec

Best time - 0.734 sec

Which consensus offers fastest finality?

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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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Shubhada Pande

@ShubhadaJP • 2d

Solidity and Rust for Real Careers, Not Just Code: A Blockchain Learning Roadmap That Works

If you’ve ever wondered how to learn blockchain (Rust, Solidity) and build a lasting career in Web3, you’re not alone. Thousands of developers are leaving Web 2.0 stacks to master...

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Difficulty - Medium

Total Plays - 35

Allowed Time - 10 sec

Best time - 0.758 sec

Which hash function does Bitcoin use?

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Explanation:
Bitcoin uses the SHA-256 cryptographic hash function to secure transactions and link blocks in the blockchain. This algorithm produces a fixed 256-bit output, ensuring immutability and resistance to tampering. By using SHA-256, Bitcoin maintains trust, decentralization, and data integrity across the network

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Difficulty - Medium

Total Plays - 29

Allowed Time - 10 sec

Best time - 0.959 sec

What does zk-SNARK stand for?

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

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Abdil Hamid

@ForensicBlockSmith • 5d

Building a Blockchain/Web3 Portfolio Site: Sections, Case Studies, and Metrics

As someone who’s worked in forensic investigations, fraud detection, and smart contract security, I want to build a public-facing Web3 portfolio site to present my projects in a structured way.Beyond...

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Vinayak D

@calm-balloon • 1w

Zero-Knowledge Proofs: The Future of Privacy in Blockchain

Zero-Knowledge Proofs (ZKPs) are one of the most exciting advancements in blockchain technology. At their core, ZKPs allow someone to prove that a statement is true without revealing the actual...

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Difficulty - Medium

Total Plays - 18

Allowed Time - 10 sec

Best time - 1.796 sec

What is a blockchain QA analyst’s task?

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Explanation:
A Blockchain QA Analyst is responsible for testing smart contracts, dApps, and blockchain networks to ensure they work as intended. They identify bugs, check performance, and validate security, which is critical for building trust in decentralized applications. This role is increasingly important in blockchain careers, as companies rely on QA analysts to deliver reliable and secure Web3 products.

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Arif

@ofh3VYy • 3d

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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Sayali Bhandari

@SayaliB • 2d

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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Difficulty - Medium

Total Plays - 12

Allowed Time - 10 sec

Best time - 0.936 sec

What is sharding in blockchains?

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Explanation:
Sharding is a blockchain scalability technique that divides the entire network’s data into smaller, manageable pieces called shards. Each shard processes its own transactions and smart contracts, improving network speed, performance, and efficiency. This concept is key for scalable blockchain infrastructure like Ethereum 2.0 and future Web3 ecosystems.

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Difficulty - Medium

Total Plays - 7

Allowed Time - 10 sec

Best time - 10 sec

What does MEV stand for in Ethereum?

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Explanation:
MEV (Maximum Extractable Value) refers to profits gained by reordering or inserting transactions in a block. It’s a major focus in blockchain security and DeFi optimization, influencing how validators and searchers interact with the mempool.

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DeFiArchitect

@DeFiArchitect • 11h

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...

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