Payment Channel Hub (PCH) is a promising solution to the scalability issue of first-
generation blockchains or cryptocurrencies such as Bitcoin. It supports off-chain payments …

Over the past decade, cryptocurrencies have garnered attention from academia and industry
alike, fostering a diverse blockchain ecosystem and novel applications. The inception of …

Blockchain technology era is triggered due to current advancement in the decentralized
paradigms via facilitating secure collaboration among untrusted entities consequently …

Extreme valuation and volatility of cryptocurrencies require investors to diversify often which
demands secure exchange protocols. A cross-chain swap protocol allows distrusting parties …

Blockchain systems, one of the most popular distributed systems, are well-applied in various
scenarios, eg, logistics and finance. However, traditional blockchain systems suffer from …

The payment channel is a prominent solution to scale the throughput of decentralized
blockchain ledgers. It reduces the load on-chain by enabling off-chain micropayments …

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 objective of state machine replication (SMR) is to emulate a centralized service in a
distributed, fault-tolerant fashion. To this end, a set of mutually distrusting processes must …

Payment channel networks (PCNs) are one of the most prominent solutions to the limited
transaction throughput of blockchains. Nevertheless, PCNs suffer themselves from a …

The Lightning Network, a payment channel network with a market cap of over 192M USD, is
designed to resolve Bitcoin's scalability issues through fast off-chain transactions. There are …