Blockchain-Enabled Cloud Data Preservation Services

Cloud data preservation is becoming an indispensable part of our daily life. The traditional cloud records which are in the form of paper have several disadvantages, such as easily lost or damaged. There is a strong need for a quick transition for electronic data. For example, modern hospitals are encouraged to utilize electronic records instead of paper records. Meanwhile, cloud data are prone to network attacks and it is necessary to protect these data by data preservation technologies.