Curious about layer 1 and layer 2 protocols in blockchain? You’re in the right place. This post breaks down blockchain architecture, explaining how it enhances security and scalability. Dive in to learn more in the following threads.

Layer 1: Implementation Layer
  - Handles consensus, dispute resolution, programming, and rules.
  - Security based on immutability
  - Example: Bitcoin, Ethereum
Initial Issues:
  - Slow due proof-of-work
  - Limited speed and capacity
Solutions:
  - Shift to proof-of-stake
  - Ethereum 2.0 uses sharding for scaling

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