According to online reports, Danny Ryan, a researcher at the Ethereum Foundation, posted an article on platform X announcing that he would join Etherealize as a joint venture to help the development of Ethereum. Vitalik Buterin welcomed it. In September last year, Danny Ryan, a researcher at the Ethereum Foundation, announced his departure, ending his seven years of contribution to the Ethereum ecosystem. Ryan said on GitHub that the departure was for personal reasons and wanted to make room for new opportunities, emphasizing that the decision did not reflect issues in Ethereum or the crypto industry. Ryan played an important role in key upgrades to Ethereum. He served as the chief coordinator of the Ethereum The Merge upgrade and oversaw the launch of the Beacon Chain in 2021. Ryan also actively participated in updates on the progress of Ethereum improvement proposals.