Open Access

ARTICLE

Secure and Efficient Data Storage and Sharing Scheme Based on Double Blockchain

Lejun Zhang^1,2,*, Minghui Peng¹, Weizheng Wang³ , Yansen Su⁴, Shuna Cui^5,6, Seokhoon Kim⁷

1 College of Information Engineering, Yangzhou University, Yangzhou, 225127, China
2 School Math & Computer Science, Quanzhou Normal University, Quanzhou, 362000, China
3 Division of Computer Science, University of Aizu, Aizu–Wakamatsu, 9658580, Japan
4 Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, School of Computer Science and Technology, Anhui University, Hefei, 230601, China
5Medical College of Yangzhou University, Yangzhou, 225001, China
6 Department of Gynecology and Obstetrics, Affiliated Hospital of Yangzhou University, Yangzhou, China
7 Department of Computer Software Engineering, Soonchunhyang University, Asan, Korea

* Corresponding Author: Lejun Zhang. Email: