Ethereum Developer Blockchain

1. Smart Contracts: Self-executing contracts with predefined conditions written in code.

2. Decentralized Applications (DApps): Applications that run on a decentralized network without a central authority.

3. Solidity: Ethereum's programming language for writing smart contracts.

4. Web3.js: A JavaScript library for interacting with the Ethereum blockchain.

Before diving into Ethereum blockchain development, it's beneficial to have the following skills:

1. Programming: Proficiency in at least one programming language, preferably JavaScript for frontend development and Solidity for smart contract development.

2. Web Development: Familiarity with web development concepts including HTML, CSS, and JavaScript for building frontend interfaces for decentralized applications.

3. Blockchain Basics: Understanding of blockchain fundamentals such as transactions, blocks, consensus mechanisms, and decentralized networks.

4. Smart Contract Development: Knowledge of Solidity or similar smart contract languages and understanding of how to write, deploy, and interact with smart contracts on the Ethereum blockchain.

By learning Ethereum blockchain development, you gain the following skills:

1. Smart Contract Development: Ability to design, code, and deploy smart contracts using Solidity or similar languages.

2. Decentralized Application (DApp) Development: Proficiency in building frontend interfaces and backend infrastructure for decentralized applications.

3. Web3.js Integration: Skill in integrating DApps with the Ethereum blockchain using the Web3.js library for interaction.

4. Blockchain Security: Knowledge of security best practices for smart contracts and DApps to mitigate risks and vulnerabilities.