A smart contract, in form, is represented as a piece of computer program code involving
related commercial transactions and algorithms. Essentially, this is the computerization of …

Blockchain has received increasing attention in academia and industry. However, the
increasing transaction volumes and limited on-chain storage underscore scalability as a key …

Although widely applied in varied scenarios, unmanned aerial vehicles (UAVs) suffer severe
flight time and flight range limitations due to constrained onboard battery capacity, causing …

The lack of scalability is a leading issue of blockchain. By transferring transactions to off-
chain, 2-party payment channels achieve instant transaction confirmation between channel …

The blockchain can offer a dependable and secure platform for Internet of Things (IoT)
transactions with its distributed and secure network architecture. Unfortunately, it faces …

With the increasing demand for digital currencies and other blockchain transactions, the
contradiction between the growing demand and the limited blockchain space has become …

The blockchain (BC) paradigm is currently modifying all the major Internet of Things (IoT)
application domains, giving the opportunity of constructing decentralized environments in …

Cross-chain dApps (decentralized applications) are enabled by smart contracts
interoperability on heterogeneous blockchains. Previous work on cross-chain smart contract …

Payment channels (PC) greatly improve blockchain scalability by allowing an unlimited
number of off-chain transactions instead of committing every transaction to the blockchain …

Industry 4.0 and beyond will rely heavily on sustainable Business Decision Modelling (BDM)
that can be accelerated by blockchain and Digital Twin (DT) solutions. BDM is built on …