973 results for "smart contract developer"
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Reply #Discussions
Hardhat vs Foundry 2025 — if I’m targeting Singapore roles, which one should I go deep on first?
From an audit perspective, Foundry has become almost standard for serious testing work. When teams send us codebases, a lot now include at least partial Foundry suites because fuzzing, invariant testing, and differential tests are easier to...
By Olivia Smith · @SmartOlivia -
Reply #Discussions
Hardhat vs Foundry 2025 — if I’m targeting Singapore roles, which one should I go deep on first?
I onboard juniors pretty regularly, and what actually matters on Day 1 is confidence in a single workflow, not equal knowledge of both. When someone joins our team, they rarely touch deployment scripts immediately — they start...
By Aditi R · @aGoKU4J -
Reply #Discussions
Ethereum interview question: what can break in deployed smart contracts after a protocol upgrade?
I have seen this problem more in “almost invisible failures” than complete contract breakage. The contract does not stop existing after an Ethereum protocol upgrade, but some execution paths become more expensive o...
By Abasi T · @ggvVaSO -
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 -
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 auction contracts, and I realised my first answer was too simple. My first thought was: “Don’t use block.timestamp; use block.number instead.” But...
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 -
Reply #Web3 Career Guide
Proof-Based Hiring in Web3: A Founder’s Guide to Evaluating GitHub, Tests, Smart Contracts, and Audit Claims
I liked this because it explains proof-based hiring in Web3 without making it sound like only senior engineers can understand it. Coming from a blockchain content writing background, I used to think a strong portfolio mostly meant clear pro...
By Emma Thomas · @emmathomas -
Article #Web3 Career Guide
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
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 #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
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