Shanghai, China - April 2022 - With the recent upgrade of the Ethereum (ETH) network, the Chinese city of Shanghai has become a key player in the blockchain industry. The upgrade, which went live on March 31st, 2022, brings a number of significant changes to the Ethereum network, including faster transaction speeds, reduced fees, and improved security. For Shanghai, the upgrade represents a significant opportunity to promote blockchain technology and attract investment to the city. According ...