Easy-level Solana interview questions covering blockchain basics, programs, and development. Q1: What is Solana and how does it work? Answer: Solana is a high-performance blockchain designed for scalability. Key Features: High Throughput: 65,000+ TPS Low Latency: ~400ms block time Low Cost: ~$0.00025 per transaction …

Comprehensive Web3 and blockchain interview questions covering Ethereum, Solidity, DeFi, security, and advanced protocol design. Blockchain Fundamentals Core concepts every Web3 developer should know: Easy: Blockchain basics, Ethereum vs Bitcoin, smart contracts, gas, wallets, keys, ERC-20, NFTs, dApps, …

Easy-level Web3 interview questions covering blockchain fundamentals, Ethereum, smart contracts, and decentralized applications. Q1: What is blockchain and how does it work? Answer: Block Structure Key Components: Block: Container of transactions Hash: Unique identifier (SHA-256) Previous Hash: Links to previous block …

Hard-level Web3 interview questions covering MEV, zero-knowledge proofs, advanced DeFi, and protocol design. Q1: Explain MEV (Maximal Extractable Value) and mitigation strategies. Answer: Sandwich Attack MEV Mitigation 1// ✅ Use private mempools (Flashbots) 2// ✅ Implement slippage protection 3contract MEVProtected { 4 …

Medium-level Web3 interview questions covering DeFi, advanced Solidity, security, and protocol design. Q1: Explain DeFi and common DeFi protocols. Answer: DeFi Stack Automated Market Maker (AMM) Constant Product Formula: $x \times y = k$ Q2: What are Solidity modifiers and function visibility? Answer: Modifiers …