What Is Proof of Stake (PoS)? Ethereum’s Energy-Efficient Alternative to Mining

Proof of Stake (PoS) is changing how blockchains stay secure - without using mining rigs or burning massive energy. In this educational video, we break down:
- How Proof of Stake works
- Why Ethereum, Solana, Avalanche, and others use it
- Key benefits like scalability and efficiency
- Risks including slashing, centralization, and complexity
- How PoS compares to Bitcoin’s Proof of Work

Whether you're new to crypto or diving deeper, understanding PoS is essential to grasping today’s blockchain ecosystem.

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