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💰 Cryptocurrency Mastery Series
Course overview
Lesson Overview

1.10 – Proof-of-Work vs. Proof-of-Stake: Two main systems keep blockchains running. In this lesson, you’ll compare proof-of-work, where miners solve puzzles using computing power, with proof-of-stake, where validators lock coins as collateral. We’ll discuss energy consumption, efficiency, and security implications of each model. You’ll understand why many modern networks are transitioning toward greener consensus methods and what that means for the environment and long-term scalability.

About this course

A complete 250+lesson journey from blockchain basics to advanced cryptocurrency trading, DeFi, NFTs, mining, security, legal compliance, and launching your own token. Designed for beginners and experienced crypto enthusiasts alike.

This course includes:
  • Step-by-step crypto buying, trading, and security guides
  • Strategies for earning passive income via staking, liquidity pools, and yield farming
  • Security checklists and scam prevention tips

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