Layer 2
**Layer 2**
What is Layer 2?
Layer 2 refers to a secondary framework or protocol that is built on top of an existing blockchain system (Layer 1). The main goal of Layer 2 solutions is to improve scalability, transaction speed, and reduce transaction costs of the underlying blockchain. This is achieved by handling transactions off-chain, meaning they are not directly processed by the main blockchain. After the transactions are processed on the Layer 2, the results are then periodically or conditionally committed to the main chain. Common examples include payment channels, sidechains, and rollups, each with different mechanisms to achieve scalability.
What other technologies are related to Layer 2?
Layer 2 Competitor Technologies
Layer 2 Complementary Technologies
Which job functions commonly mention Layer 2?
Which organizations are mentioning Layer 2?
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