The terms “layer 1” and “layer 2” get tossed around a lot in cryptoland. They are important concepts to grasp in reference to the blockchain, but they can also be a bit confusing. Layer 1 refers to a base blockchain protocol, (e.g., Bitcoin or Ethereum) while layer 2 refers to a third-party protocol built to have integrated functionality with that base blockchain.Layer 1 and layer 2 refer to different types of blockchain scaling solutions that attempt to improve throughput and the speed of a ...