Blockchain interoperability is emerging as one of the crucial features of blockchain
technology, but the knowledge necessary for achieving it is fragmented. This fact makes it …

Blockchains offer a decentralized, immutable and verifiable ledger that can record
transactions of digital assets, provoking a radical change in several innovative scenarios …

The next-generation blockchain ecosystem is expected to integrate both homogeneous and
heterogeneous distributed ledgers. These systems require operations across multiple …

Climate change is a major issue that has disastrous implications on the environment, which,
if continued, will cause severe consequences. One of the leading causes of climate change …

After years of in-depth development of blockchain, various blockchains with different
characteristics and suitable for different application scenarios coexist in large numbers. Due …

Authorization or access control limits the actions a user may perform on a computer system,
based on predetermined access control policies, thus preventing access by illegitimate …

Supply chains (SC) present performance bottlenecks that contribute to a high level of costs,
infiltration of product quality, and impact productivity. Examples of such inhibitors include the …

Cloud computing is a network model of on-demand access for sharing configurable
computing resource pools. Compared with conventional service architectures, cloud …

As one of the key technologies of distributed ledgers, blockchain solves the trust problem in
open network without relying on any trusted third party. Its decentralized feature has a broad …

The prosperity of blockchain has spawned numerous blockchain-based platforms with
different structures and consensus mechanisms, further increasing the attention of …