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@Merrythetechie • May 17, 2025May 17, 20251.5KHow do I move from smart contract development into zkRollup research? I understand smart contracts and the basics of blockchain. Still, I want to go deeper into zero-knowledge proofs and... -
@MakerInProgress • May 16, 2026May 16, 20261.6K
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... -
@Merrythetechie • Apr 8, 2026Apr 8, 20261.7KSolidity interview: Overflow/Underflow handling — 0.8 checks, SafeMath, and upgradeable contract gotchas
I’m prepping for a Solidity interview and got stuck when they asked about integer overflow/underflow. I know Solidity 0.8+ has built-in overflow checks, but the interviewer didn’t stop there. They... -
@ChainSage • Jul 22, 2025Jul 22, 20251.6KDeFi 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... -
@SmartContractGuru • May 24, 2025May 24, 20251.5KInterview 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.... -
@BennyBlocks • Apr 30, 2026Apr 30, 20261.7KLooking 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... -
@ChainVisionary • May 4, 2026May 4, 20261.8KHow 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.... -
@SayaliB • May 24, 2025May 24, 20251.7KSolidity 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... -
@ShubhadaJP • Nov 4, 2024Nov 4, 20242.8KBlockchain 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... -
@zkArchitect • Apr 26, 2026Apr 26, 20261.6KL2 migration PM interview: governance layer — how to implement governance for a blockchain network (best practices)
Need help tightening an interview answer. PM role. Question: “We’re migrating to L2 — design the governance layer so it’s fair, fast enough to ship, and secure.” I said “transparency... -
@ShubhadaJP • Dec 7, 2024Dec 7, 20243.0KMulti-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 without... -
@SayaliB • Aug 6, 2025Aug 6, 20251.5KInterview 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... -
@SmartChainSmith • Aug 7, 2025Aug 7, 20251.4KIs 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... -
@Merrythetechie • Mar 15, 2025Mar 15, 20251.4KHow 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... -
@SmartContractGuru • Mar 22, 2025Mar 22, 20251.1KWhat are the different types of blockchain and Ethereum developers?
, hive mind — I’m deep-diving into Ethereum/blockchain dev and need some real talk. Everyone’s hyping Web3 and dApps, but… is that really all there is? Are there hidden roles... -
@ChainMentorNaina • May 16, 2025May 16, 20251.3KWhat Are Composable Smart Contracts? Interview Tips
What are composable smart contracts, how do they share data between dApps, and why are they more powerful than regular smart contracts in blockchain development?Preparing for a smart contract developer... -
@MakerInProgress • Aug 7, 2025Aug 7, 20251.2K
Career Scope: Data Structures in Blockchain Development
I’m preparing for a tech interview that focuses heavily on blockchain, and I’m trying to really understand how blockchain works as a data structure. I know the basics like features... -
@ShubhadaJP • Oct 27, 2024Oct 27, 20242.4KHow Blockchain Tackles the Byzantine General's Problem to Stay Secure
Blockchain technology has revolutionized how we think about trust and security in digital transactions, but at the heart of this innovation lies a complex problem called the Byzantine Generals Problem.If... -
@AmandaS • Jul 25, 2025Jul 25, 20251.3KShould I learn Solidity, Rust or both for smart contract development?
Hey everyone,So I'm trying to figure out whether I should learn Solidity or Rust for smart contracts and honestly getting pretty confused by all the different advice out there.My background... -
@ChainMentorNaina • Aug 11, 2025Aug 11, 20251.4KIs Blockchain Development More Stressful Than Software Engineering? Seeking Real Developer Insights
I’m thinking a career switch from Python development to blockchain development, but I’m unsure about the reality of stress, workload, and job security in this field. For experienced blockchain developers,...