Why Crypto Is Watching Ethereum’s ‘Shanghai’ Upgrade https://www.bloomberg.com/news/articles/2023-04-07/why-crypto-is-watching-et... The Ethereum network is set to undergo a technical revamp on April 12 that will allow users to withdraw tens of billions of dollars of its native token, Ether. Known as the “Shanghai” upgrade, it’s a necessary step after the world’s most commercially important crypto platform shifted to a less power-hungry process for ordering transactions. Investors burned by recent turmoil in crypto markets will be wondering if, presented with their first opportunity to withdraw their tokens, some Ether holders will run for the hills.