This is a translation of nobmei(@nobu_mei)’s newsletter. https://nobumei.substack.com/p/ethereumlayer2?s=r Today we will discuss the Layer2 technology that enhances processing performance of Ethereum.I’ll set aside the technicalities of Layer 2 and talk about the basics.Why Layer 2 is neededTo explain the necessity for Layer 2, look at the following graph first. This graph shows the Gas, in other words “fee” required to make a transaction on Ethereum. The period is 5 years and the unit is Gwe...