When, in 2008, Satoshi Nakamoto envisioned the first distributed database management
system that relied on cryptographically secured chain of blocks to store data in an immutable …

Currently, the trust mechanisms of various Internet application platforms are still built under
the orders of centralized authorities. This centralized trust mechanism generally suffers from …

Advanced artificial intelligence techniques, such as federated learning, has been applied to
broad areas, eg, image classification, speech recognition, smart city, and healthcare …

Dynamic Searchable Symmetric Encryption (DSSE) is a practical cryptographic primitive that
assists servers to provide search and update functionalities in the ciphertext domain. Recent …

Recent years have witnessed the development and adoption of blockchain technology in
intelligent transportation systems (ITS) because of its authenticity and traceability. However …

Blockchain technology has emerged as the cornerstone of many decentralized applications
operating among otherwise untrusted peers. However, it is well known that existing …

Despite increasingly emerging applications, a primary concern for blockchain to be fully
practical is the inefficiency of data query. Direct queries on the blockchain take much time by …

Nowadays an emerging class of applications are based oncollaboration over a shared
database among different entities. However, the existing solutions on shared database may …

Blockchain has recently gained massive attention thanks to the success of cryptocurrencies
and decentralized applications. With immutability and tamper-resistance features, it can be …

The success of Bitcoin and other cryptocurrencies bring enormous interest to blockchains. A
blockchain system implements a tamper-evident ledger for recording transactions that …