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💰 Cryptocurrency Mastery Series
Course overview
Lesson Overview

9.3 – Proof-of-Work Mining vs. Proof-of-Stake Validation: Proof-of-Work (PoW) and Proof-of-Stake (PoS) are two distinct systems for securing blockchains. PoW uses mining—where computers compete to solve puzzles—to validate transactions, while PoS relies on users locking coins as collateral to confirm new blocks. PoW emphasizes computational strength, and PoS emphasizes financial trust. PoS consumes far less energy and allows faster transactions, making it more sustainable for modern networks. PoW remains the backbone for Bitcoin, while PoS powers Ethereum’s post-Merge era. Both systems showcase how innovation evolves toward efficiency, scalability, and environmental responsibility within the blockchain space.

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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