We are looking for a Python Developer to help build and maintain a simple, educational blockchain implementation designed to make core blockchain concepts easy to understand. This project focuses on clarity and learning, not production-scale complexity, making it ideal for someone who enjoys teaching through clean, well-documented code.
**About the Project:**
This is a minimal blockchain implementation created for educational purposes. It covers only the fundamental concepts:
* Block and Hash
* Transaction and Balance
* Mining with Proof of Work
* Chain validation and consensus conflicts
**Responsibilities:**
* Develop and maintain the blockchain core in Python (blocks, hashing, chain structure)
* Implement and refine transaction handling and balance tracking
* Build and optimize the Proof of Work mining mechanism
* Implement chain validation logic and consensus conflict resolution
* Write clear, well-commented code and documentation suitable for learners
* Add unit tests to demonstrate and verify each core concept
* Optionally contribute example scripts or tutorials that walk through each concept
**Requirements:**
* Strong proficiency in Python
* Solid understanding of hashing (e.g., SHA-256) and basic data structures
* Familiarity with blockchain fundamentals (blocks, transactions, mining, consensus)
* Ability to write clean, readable, and well-documented code
* Experience with unit testing in Python (e.g., pytest, unittest)
**Nice to Have:**
* Experience building educational or open-source projects
* Familiarity with Flask/FastAPI for a simple demo API or web interface
* Understanding of peer-to-peer networking basics (for consensus conflict demos)
**What We Offer:**
* A chance to work on a project with real educational impact
* Flexible, remote-friendly work environment
* Opportunity to deepen your own understanding of blockchain fundamentals
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