To prepare for a Solidity or Smart Contract Developer interview at a Layer 1 protocol, focus on mastering Solidity basics, smart contract security, and understanding how the EVM works. Be ready to discuss your past projects and demonstrate your problem-solving skills.

Start by revisiting core Solidity concepts like functions, modifiers, and contract inheritance. Make sure you're comfortable with smart contract security best practices, especially common vulnerabilities like reentrancy and integer overflows. Since it's for a Layer 1 protocol, a solid understanding of how the Ethereum Virtual Machine (EVM) processes and executes smart contracts is key.

Also, practice with development tools like Remix or Hardhat, and make sure you know how to write tests and optimize for gas efficiency. Interviewers will likely ask you to explain past projects, so be ready to walk them through your thought process and code.

In some cases, you may even get a live coding challenge, so stay sharp and practice writing simple contracts from scratch. With a bit of preparation, you'll be in good shape for the interview—best of luck!

For a Smart Contract Developer interview at a Layer 1 protocol, expect technical questions around Solidity, blockchain fundamentals, and smart contract security.

Focus on understanding gas optimization, common vulnerabilities like re-entrancy, and how consensus mechanisms impact contract execution.

With 6 months of experience, you should be ready to discuss your projects, challenges you faced, and how you optimized code. Be prepared for questions on debugging, testing, and handling security issues. Brush up on Layer 1 concepts like transaction lifecycle, EVM workings, and gas models. Also, review the differences between consensus algorithms like Proof of Stake vs. Proof of Work and how they affect contract interactions.

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