Making Sense of Ethereum’s Layer 2 Scaling Solutions: State Channels, Plasma, and Truebit

Our friends at L4 have put out a great summary of the current efforts to scale Ethereum. Nothing but the best work from these guys!

Ethereum lets us build layer 2 solutions to access new points on the tradeoff matrix between speed, finality, and overhead cost. This makes the underlying blockchain more useful for a larger variety of applications, since different types of applications with different threat models will have natural preferences towards different tradeoffs. For high value transactions where we want protection against even nation-states, we use the main chain. For trading digital collectibles where speed is more important, we can use Plasma. Layer 2 lets us make these tradeoffs without compromising the underlying blockchain, preserving decentralization and finality.


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