Discussions

@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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amanda smith

@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...

3

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BlockchainMentorYagiz

@BlockchainMentor • 2mos

Smart Contract Developer Interview: How to Handle Logging and Gas Fees on Layer 2

How do I handle smart contract logging questions in developer interviews, especially for Layer 2 chains? I got stuck when asked how to improve logging in Solidity without raising gas...

3

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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....

5

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BennyBlocks

@BennyBlocks • 3w

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...

3

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Sheza Henry

@ChainVisionary • 2mos

How Do I Start Freelancing as a Blockchain Developer With Solidity Experience?

How do I actually get started freelancing as a blockchain developer? I’ve spent the last three years working with Solidity, but always in full-time jobs with set hours and structure....

4

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Sayali Bhandari

@8n5KqIg • 2mos

Solidity Interview: How Do You Manage Version Compatibility and Dependencies?

How do you manage Solidity version compatibility and handle dependencies when switching blockchain projects? I faced this question in a Solidity interview. It made me realize I need better real-world...

6

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RubenzkArchitect

@zkArchitect • 5mos

Tips for setting up decentralized governance in L2?

Hey everyone, I just bombed an interview question and need your advice. The role was for a blockchain project manager, and they asked me:“How would you design governance for a...

3

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RubenzkArchitect

@zkArchitect • 2w

Smart Contract Scaling Challenges: Interview & Job Prep

Hey all, need help. I am preparing for next week's blockchain dev interview, and now I have reached a dead end. I don’t know how to scale smart contracts, rollups,...

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Sayali Bhandari

@8n5KqIg • 2w

Interview struggle: ERC-20 & ERC-721 questions Need Advice!

I got my first interview call as a smart contract developer, and I am prepping hard, brushing up on concepts and other things. While studying, I am stuck with the...

3

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AuditWardenRashid

@AuditWarden • 1mo

Can Smart Contracts Be Audited? What Are the Common Tools for Auditing?

Can smart contracts really be audited, and what does that process look like in practice? I’m getting into smart contract development and keep hearing that auditing is essential for security,...

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ChainMentorNaina

@ChainMentorNaina • 2w

dApp Developer Interview Help: How to Secure Community-Driven Upgrades

Hey everyone, I’m a blockchain dev with less than 1 year of experience. Right now I am prepping to switch job. In my last role, we let the community propose...

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Miben Rogers

@YGHQ65t • 1mo

EVM Interview Struggles: Gas Costs & Slot Packing

EVM gas costs have me stumped—can someone break this down?Hey folks, quick one after a tough interview round:How are gas costs mapped to opcodes like SSTORE, SLOAD (warm vs cold),...

3

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SmartChainSmith

@SmartChainSmith • 2w

Is Solidity Still the Top Choice for Smart Contract Development in Blockchain?

Hi!I am new to blockchain. I just started learning Solidity for Ethereum. But I heard about Vyper, Rust, and Michelson too. Now I am not sure which language to choose.If...

3

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Merry Wordsworth

@N026O0O • 5mos

How to Answer Smart Contract Oracles in Job Interviews?

I’m just starting out with blockchain dev, and I’m trying to get my head around oracles. I get that smart contracts can’t access external data on their own, so oracles...

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