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Sheza Henry

@ChainVisionary • 6d

What legal and regulatory risks should I be aware of as a DeFi developer?

Hi everyone,I’m considering a job as a DeFi developer and want to understand the real-world risks especially those around regulatory compliance, developer liability, and crypto law. There’s a lot of...

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Shubhada Pande

@ShubhadaJP • 1mo

Blockchain Gaming Developer: Play-to-Earn and GameFi Careers — The Ultimate 2025 Roadmap

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...

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Shubhada Pande

@ShubhadaJP • 4mos

How to Become Blockchain Security Engineer? Part 3

Want a $200K job in blockchain security? (Yes, it’s possible!)In Part 1 and Part 2, we learned why companies need blockchain security experts and what skills they must learn.Now, let’s...

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Sheza Henry

@ChainVisionary • 1mo

How Should I Answer DeFi Interview Questions on Securing Price Oracles?

What’s the best way to answer DeFi interview questions about securing price oracles? I’m getting ready for a technical interview with a DeFi protocol and want to go beyond the...

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Difficulty - Medium

Total Plays - 20

Allowed Time - 10 sec

Best time - 1.930 sec

What is the purpose of the #[account] macro in Anchor?

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

#A

#B

#C

#D

Explanation:
The #[account] macro in Anchor is used to define and validate account structures for Solana smart contracts. It simplifies account management and ensures data integrity.

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Emma T

@5INFFa4 • 2mos

How to Answer “Why Blockchain?” in Interviews for Blockchain Security Careers

How do you answer the “Why do you want to work in blockchain?” question in interviews if you have a cybersecurity background? I’ve been working in cybersecurity and now I...

6

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Varun Mehta

@aUV335h • 2mos

What to Expect in Your First Blockchain Developer Interview: Tips and Common Questions

What should I expect in my first blockchain developer interview? Any tips or stories to help me prepare? My interview is next week, and I’m both excited and nervous. I...

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Abdil Hamid

@ForensicBlockSmith • 3mos

How to specialize in a specific blockchain ecosystem like Solana, Hyperledger, or Polkadot?

I’m a Python developer planning to transition into the blockchain space, and I’m trying to figure out the best ecosystem to focus on first. Should I pick Solana, Hyperledger, or...

7

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Difficulty - Medium

Total Plays - 26

Allowed Time - 10 sec

Best time - 1.643 sec

Gas limits prevent:

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

#A

#B

#C

#D

Explanation:
Gas limits set a maximum amount of computation a transaction can use, preventing infinite loops or excessively long operations from running indefinitely. This protects the network and user funds by halting transactions that exceed the limit.

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Difficulty - Medium

Total Plays - 26

Allowed Time - 10 sec

Best time - 1.897 sec

"Liquidity pools" in DeFi are used to:

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

#A

#B

#C

#D

Explanation:
Pools lock tokens for trading on platforms like Uniswap, replacing traditional order books.

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Sayali Bhandari

@8n5KqIg • 1mo

What Are the Best Resources for Learning Smart Contract Testing in 2025?

I am seeking resources to learn about smart contract testing.I have learned the basics of writing Solidity. Now, I need to truly master testing. This skill seems essential for landing...

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Victor P

@TrG6JIR • 1mo

How to Answer Common Smart Contract Security Mistakes in Blockchain Auditor Interviews

How should I answer, “What are the most common mistakes developers make in smart contract security?” in a smart contract auditor interview? I want to sound knowledgeable and up-to-date, not...

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BlockchainMentorYagiz

@BlockchainMentor • 2mos

Best Ways to Gain Hands-On Blockchain Experience for Beginners

How do I actually get hands-on blockchain development experience? I’m a computer science student in my fourth semester. I understand blockchain basics and know how Ethereum and Bitcoin work, but...

8

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BennyBlocks

@BennyBlocks • 3w

Negotiating Pay for Remote Blockchain Jobs: How to Handle the Geographic Gap?

Hey everyone,I'm in the middle of interviewing for a few exciting remote blockchain jobs and could use some collective wisdom on a common hurdle.For those with remote blockchain jobs, how...

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Abasi T

@ggvVaSO • 1mo

What Are the Top Blockchain Networking Tips for Introverts in Web3?

What are the best blockchain networking strategies for introverts who want to build Web3 connections and get more involved in the crypto community?I’m a blockchain developer with about three years...

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