In the IoT (Internet of Things) environment, smart homes, smart grids, and telematics
constantly generate data with complex attributes. These data have low heterogeneity and …

With the emergence of digital currencies, blockchain systems have been committed to the
efficient and trusted storage of data, building decentralized, tamper-proof, persistent, and …

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 …

Blockchain, as the underlying technique of cryptocurrency, has triggered a wave of
innovation in decentralized computing. Despite some research on blockchain data query, a …

Blockchain-the innovation behind Bitcoin-enables people to exchange digital money with
complete trust, and seems to be completely transforming the way we think about trust. While …

As Bitcoin and other cryptocurrencies become widely popular recently, the underlying
concept—Blockchain—gets unprecedented attentions. One popular usage of Blockchain is …

Blockchain is a technology that can ensure data integrity in a distributed network, and it is
actively applied in various fields. Recently, blockchain is gaining attention due to combining …

Blockchain is among the most promising new technologies due to its unique features,
encompassing security, privacy, data integrity, and immutability. Blockchain applications …

As the key component of Industry 4.0, IoT has been widely used in various fields of industry.
But cloud-based data storage, computation, and communication in IoT cause many issues …

IoT is leading a digital revolution in both academia and industry. It brings convenience to
people's daily lives; however, the issues of security and privacy of IoT become challenges …