Richard Schabaker (1902-1938) -- the father of capital market technical analysis!
He was the first to classify the forms of general charts, research and create the famous "reversion and persistence" theory, "split" theory and "support and resistance" theory, and stereotype the use of trend lines and fully emphasize the importance of support and resistance levels. (The predecessor of the "box" theory)
In short, Ethereum is similar to the blockchain version of Android and iOS systems, a blockchain APP platform. Ethereum is a global open source platform for decentralized applications (DApp). The name comes from Ether and the suffix ruem (Greek meaning is "oil")