Blockchain technology has been rapidly growing since Bitcoin was invented in 2008. The
most common type of blockchain system, public (permissionless) blockchain system, has …

Due to the pandemic, most of the personal transactions relating to finance, commerce and
healthcare services have gone online making privacy preservation a critical requirement …

Significant changes in the financial system are prompted by the growth of the national
economy, particularly as a form of payment. The means evolved from barter to things or …

With the growing awareness regarding the importance of personal data protection, many
countries have established laws and regulations to ensure data privacy and are supervising …

Identity Management Systems (IdMs) have complemented how users are identified,
authenticated, and authorised on e-services. Among the methods used for this purpose are …

区块链是一种去中心化和不可篡改的数据库, 不仅能有效解决需要第三方介入所引发的信任问题
, 还能保证应用执行过程公平公正. 然而, 不可篡改性限制了区块链的许多应用. 例如 …

Due to the immutability of blockchain, the integration with big-data systems creates
limitations on redundancy, scalability, cost, and latency. Additionally, large amounts of …

Over the past few decades, the harmful effects of industrial activity and consumer society
have resulted in global warming. Governments and international organizations are looking …

Dynamic outsourced data managed by an untrusted third party is prone to integrity violation.
Data auditing is a well-known posterior mechanism to detect integrity violations. Existing …

Auditing of outsourced data is typically managed by an untrusted third party, which poses a
crucial data integrity issue for the data owner and end users as well. A distributed auditing …