DEFINITION A layer 2 is any off-chain network, system, or technology built on top of a blockchain to help extend its capabilities. A layer 2 refers to any off-chain network, system, or technology built on top of a blockchain (commonly known as a layer-1 network) that helps extend the capabilities of the underlying base layer network. Layer-2 networks can support any blockchain to introduce enhancements such as higher transaction throughputs. One core requirement for a network, system, or tech...
