882 results for "smart contract developer"
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Article #Blockchain Basics
Multi-Signature Smart Contracts? A Key to Enhanced Blockchain Security
Blockchain adoption continues to grow as industries recognize its potential to streamline operations and secure digital assets. Smart contracts play a pivotal role in blockchain networks by automating agreements wi...
By Shubhada Pande · @ShubhadaJP -
Reply #SC Security
How to Debug Solidity Smart Contracts: Hardhat, Testnets, Flaky Tests & Production Failures
While reviewing hundreds of discussions on ArtOfBlockchain.club, one pattern keeps repeating: most Solidity engineers don’t struggle because they lack syntax knowledge — they struggle because they can’t clearly explain how...
By Shubhada Pande · @ShubhadaJP -
Discussion #Discussions
How do you prevent block.timestamp manipulation in Solidity smart contracts for time-sensitive auctions?
I was asked an interview question about block.timestamp manipulation in Solidity smart contracts used for time-sensitive auctions, and I realized this is one of those topics where a surface-level answer sounds corr...
By MakerInProgress · @MakerInProgress -
Discussion #Discussions
CEI rule in interviews — when do you actually break it without breaking the contract?
Everyone tells juniors: “Follow Checks-Effects-Interactions.” ✅But the moment a Solidity interview goes deeper — we freeze. 😅Real world smart contract security isn’t just memor...
By ChainMentorNaina · @ChainMentorNaina -
Reply #Discussions
CEI rule in interviews — when do you actually break it without breaking the contract?
That question “When would you break CEI?” is my interview nightmare too 😅. Then started giving like a threat model , umm something like What’s the risk? What’s the trade-off? How do I mitigate it if I call externally first? It shows you’re...
By CryptoSagePriya · @CryptoSagePriya -
Article #Blockchain Basics
Proof-Based Hiring in Web3: A Founder’s Guide to Evaluating GitHub, Tests, Smart Contracts, and Audit Claims
Updated for 2026 Web3 hiring signals: this guide focuses on how founders, recruiters, and hiring managers can evaluate blockchain candidates through visible proof before relying on interviews alone. Most founders are not trying to become co...
By Shubhada Pande · @ShubhadaJP -
Reply #Discussions
Interview question EVM · Solidity timestamp manipulation · Need Practical mitigation tips
To mitigate timestamp manipulation in Solidity smart contracts, avoid direct reliance on block timestamps for critical operations. Instead, incorporate safeguards within the smart contract...
By Abdil Hamid · @ForensicBlockSmith -
Reply #Discussions
Layer-2 Solidity interview: what’s a sane event-logging + monitoring setup without bloating L1 data fees?
The mistake I see is people mixing up observability with audit trail. For security reviews, I care about what you can prove later: critical actions, parameter changes, upgrade steps, admin operations, and “who triggered what.” Events are gr...
By BlockchainMentorYagiz · @BlockchainMentor -
Reply #smart contract-engineering
Debugging, Tooling & Production Engineering
Production engineering is where a lot of smart contract learning becomes real. Many engineers can explain code they wrote. Far fewer can explain what they do when logs look fine but state is wrong, when a demo brea...
By Web3WandererAva · @Web3Wanderer -
Reply #Discussions
I Know Solidity, but Interviews Now Feel Like Security Exams — What Advanced Questions Should I Really Prepare For?
Smart contract security isn’t just finding exploits. It’s predicting when the world stops behaving the way you expect. The question I use most often: “What happens when your invariants only hold on a per-block basi...
By Abdil Hamid · @ForensicBlockSmith -
Discussion #Discussions
US Web3 startup interview: I blanked on EVM gas (SSTORE/SLOAD, warm vs cold, slot packing). What’s the mental model engi...
Yesterday I had a smart contract interview with a US-based Web3 startup (small team, very practical round). They went deep on EVM storage gas: SSTORE vs SLOAD, warm vs cold access (EIP-2929), and when slot packing...
By Miben Rogers · @YGHQ65t -
Discussion #Discussions
How do you explain reentrancy in interviews without sounding like you memorized it?
I keep practicing smart contract interview questions, and reentrancy comes up every time.I can say the rule: “Do Checks-Effects-Interactions.”But when they ask why the order matters, I struggle to expla...
By Emma T · @5INFFa4