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@DecentralizedDev • 3w

NFT Smart Contract Interview Question: ERC-721 & ERC-1155 Compatibility

How do you design a single NFT contract that handles both ERC-721 and ERC-1155 standards without gas fees going nuts?I bombed this interview question for a blockchain dev role and...

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BennyBlocks

@BennyBlocks • 2w

Looking to Level Up: Where Should a Smart Contract Dev Start with MEV?

Hey all,I’m a smart contract developer and I want to upskill myself around MEV (miner/maximal extractable value). In developer groups there is so much talk about frontrunning, sandwich attacks, and...

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Merry Wordsworth

@N026O0O • 2mos

How to Switch from Java Backend Developer to Blockchain Developer in 2025

How do I actually switch from Java backend work to a blockchain developer job? I’ve got a CS degree and about a year doing backend stuff with Java and Spring...

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AuditWardenRashid

@AuditWarden • 2w

Blockchain Developer vs Data Scientist: Which Career Should I Choose in 2025?

Right now, I am finding out which career option to choose: blockchain developer or data scientist?I’m trying to decide between these two career paths and would appreciate some honest advice....

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Merry Wordsworth

@N026O0O • 3mos

How to Start a Blockchain Compliance Career With a Finance or Legal Background

How do I start a career in blockchain regulation and compliance with a finance or legal background? I want to know if my skills in finance and law are useful...

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Merry Wordsworth

@N026O0O • 1mo

Solidity Interview – Overflow/Underflow Handling?

I’m preparing for a Solidity interview and need help understanding how to best handle overflow/underflow issues. Should I rely solely on Solidity's built-in checks, or is using SafeMath (like from...

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Abdil Hamid

@ForensicBlockSmith • 1w

How to Prepare for a Solidity Developer Interview at a Layer 1 Blockchain

What should I study to prepare for a Solidity Developer interview at a Layer 1 blockchain? I have an interview soon for a Smart Contract Developer role.I finished a six-month...

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Abdil Hamid

@ForensicBlockSmith • 4mos

How Do Crypto Price Swings Affect Blockchain Jobs?

Hey, Hello all, mid-20s blockchain dev here. I’ve been deep in the crypto trenches for a couple years, but… honestly? With the market taking such a nosedive lately, I’m low-key...

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SmartContractGuru

@SmartContractGuru • 2mos

Interview Question: How Do You Ensure Data Integrity Before a TEE on Ethereum?

How do you ensure data integrity before information enters a Trusted Execution Environment on Ethereum? I got this question in a recent blockchain developer interview and it threw me off....

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Shubhada Pande

@ShubhadaJP • 9mos

Blockchain for Chemical Emissions: Transforming Transparency in Environmental Monitoring

In the dynamic world of the chemical industry, blockchain technology emerges as a transformative powerhouse, redefining operational paradigms and propelling the sector toward a future marked by enhanced transparency and...

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Andria Shines

@ChainSage • 4w

DeFi Interview Preparation: Securing Price Feeds and Preventing Manipulation

How do top DeFi lending protocols secure price feeds against manipulation and market crashes? I’m preparing for a DeFi developer interview and want to go beyond the basics. I know...

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Abdil Hamid

@ForensicBlockSmith • 2mos

What Are the Must-Read Ebooks for Blockchain Development Skills?

What are the best ebooks for learning blockchain development from scratch? I’m building a recommended reading list for my students and want resources that teach real skills, not just theory....

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SmartChainSmith

@SmartChainSmith • 2mos

Can I Get a Remote Entry-Level Blockchain Job Without Advanced Data Structures and Algorithms Skills?

Can I get a remote entry-level blockchain developer job without strong data structures and algorithms skills? I’m a senior CS student. I know JavaScript full stack and have some C++...

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Abdil Hamid

@ForensicBlockSmith • 2mos

Interview Question Help: How to Lower NFT Minting Costs on Ethereum

How can I lower NFT minting costs on Ethereum for an interview question? I’m preparing for a blockchain job interview and want advice on reducing gas fees for NFT minting,...

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Abdil Hamid

@ForensicBlockSmith • 3mos

Hardhat tool in blockchain is used for?

Hey everyone, I'm new to blockchain development and just started learning about Ethereum. I've heard a lot about Hardhat, but I'm not entirely sure what it does. Let's say I'm...

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