After the success of the Bitcoin blockchain, came several cryptocurrencies and blockchain
solutions in the last decade. Nonetheless, Blockchain-based systems still suffer from low …

Smart contracts are regarded as one of the most promising and appealing notions in
blockchain technology. Their self-enforcing and event-driven features make some online …

Blockchains have the potential to revolutionize markets and services. However, they
currently exhibit high latencies and fail to handle transaction loads comparable to those …

Trading goods lies at the backbone of the modern economy and the recent advent of
cryptocurrencies has opened the door for trading decentralized (digital) assets: A large …

As a decentralized distributed ledger, blockchain has developed rapidly since its birth and
has been highly valued by governments, academia, and industry. Start in the financial field …

Payment-channel networks (PCN) are the most prominent approach to tackle the scalability
issues of current permissionless blockchains. A PCN reduces the load on-chain by allowing …

Payment channel hubs (PCHs) constitute a promising solution to the inherent scalability
problem of blockchain technologies, allowing for off-chain payments between sender and …

Decentralized and permissionless ledgers offer an inherently low transaction rate, as a
result of their consensus protocol demanding the storage of each transaction on-chain. A …

Current permissionless cryptocurrencies such as Bitcoin suffer from a limited transaction rate
and slow confirmation time, which hinders further adoption. Payment channels are one of …

Blockchain technology has been developed with the vision to enable trusted collaboration
between untrusted parties, without the need for a central authority. Despite its many …