L2 Design Space: Sidechains, Plasma, Rollups

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Not every system that calls itself a "Layer 2" actually inherits Ethereum's security. The single most important distinction to internalize in this course is between systems that depend on their own, separate trust assumptions and systems that derive their security directly from Ethereum's base layer. This lesson maps three major points in that design space — sidechains, Plasma, and rollups……

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