Layer 2 refers to a secondary framework or protocol that is built on top of an existing blockchain system. The main goal of these protocols is to solve the transaction speed and scaling difficulties that are being faced by the major cryptocurrency networks. In a broader sense, layer 2 protocols create a secondary framework, where blockchain transactions and processes can take place independently of the layer 1 (main chain). For this reason, these techniques may also be referred to as “off-cha...
