Oxford University's Bill Rothko: Seven challenges facing blockchain applications and development

According to the International Financial News, Bill Rothko, director of the University of Oxford Blockchain Research Centre, academician of the Royal Academy of Engineering, and academician of the European Academy of Sciences, believes that blockchain applications and development still face seven challenges, namely security and energy consumption. , Anonymity issues, identification of encrypted digital currencies, efficiency issues, user issues, personal information protection issues, regulatory issues.