The blockchain ecosystem has evolved into a multi-chain world with various blockchains
vying for use. Although each blockchain may have its own native cryptocurrency or digital …

The blockchain cross-chain is a significant technology for inter-chain interconnection and
value transfer among different blockchain networks. Cross-chain overcomes the “information …

Cross-Chain bridges have become the most popular solution to support asset
interoperability between heterogeneous blockchains. However, while providing efficient and …

The establishment of Bitcoin in 2008 has introduced Blockchain technology to become the
predominant new ways in digital transactions in many fields, such as energy, healthcare …

Ecosystems of multiple blockchains are now a reality. Multichain applications and protocols
are perceived as necessary to enable scalability, privacy, and composability. Despite being …

Blockchain systems become increasingly attractive targets for cybercrime due to the rising
amount of value transacted in respective systems. However, researchers and practitioners …

Blockchain technology has become one of the most popular technologies for maintaining
digital transactions. From the foundation of Bitcoin to the now-predominant smart contract …

The blockchain, with its own characteristics, has received much attention at the beginning of
its birth and been applied in many fields. At the same time, however, its security issues are …

Blockchain has arisen as a revolutionary technology to provide trust in scenarios where
several independent agents must agree about certain information. This characteristic makes …

In many organizations, permissioned blockchain networks are currently transitioning from a
proof-of-concept stage to production use. A crucial part of this transition is ensuring …