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Related papers: Hypersyn: A Peer-to-Peer System for Mutual Credit

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Banking as an essential service can be hard to access in remote, rural regions where the network connectivity is intermittent. Although micro-banking has been made possible by SMS or USSD messages in some places, their security flaws and…

Cross-Blockchain communication has gained traction due to the increasing fragmentation of blockchain networks and scalability solutions such as side-chaining and sharding. With SmartSync, we propose a novel concept for cross-blockchain…

Cryptography and Security · Computer Science 2022-09-01 Martin Westerkamp , Axel Küpper

The state-of-the-art approach to manage blockchains is to process blocks of transactions in a shared-nothing environment. Although blockchains have the potential to provide various services for high-performance computing (HPC) systems, HPC…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-01-22 Abdullah Al-Mamun , Dongfang Zhao

With the rise of digital currency systems that rely on blockchain to ensure ledger security, the ability to perform cross-chain transactions is becoming a crucial interoperability requirement. Such transactions allow not only funds to be…

Cryptography and Security · Computer Science 2021-01-18 Rongjian Lan , Ganesha Upadhyaya , Stephen Tse , Mahdi Zamani

A blockchain is a distributed ledger for recording transactions, maintained by many nodes without central authority through a distributed cryptographic protocol. All nodes validate the information to be appended to the blockchain, and a…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-07-10 Christian Cachin , Marko Vukolić

Bitcoin's enormous success has inspired the development of alternative blockchains, such as consortium chains. Several cross-chain protocols have been proposed as ways of connecting these universes of individual blockchains in a distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-25 Hiroki Watanabe , Shigenori Ohashi , Shigeru Fujimura , Atsushi Nakadaira , Kota Hidaka , Jay Kishigami

Although blockchains have become widely popular for their use in cryptocurrencies, they are now becoming pervasive as more traditional applications adopt blockchain to ensure data security. Despite being a secured network, blockchains have…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Faisal Haque Bappy , Tariqul Islam , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

A blockchain and smart contract enabled security mechanism for IoT applications has been reported recently for urban, financial, and network services. However, due to the power-intensive and a low-throughput consensus mechanism in existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-25 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

Recent years have witnessed a rapid development of platform economy, as it effectively addresses the trust dilemma between untrusted online buyers and merchants. However, malicious platforms can misuse users' funds and information, causing…

Cryptography and Security · Computer Science 2025-05-26 Junru Lin , Mingzhe Liu , Songze Li , Xuechao Wang

For centuries, financial institutions have responded to liquidity challenges by forming closed, centralized clearing clubs with strict rules and membership that allow them to collaborate on using the least money to discharge the most debt.…

Computational Engineering, Finance, and Science · Computer Science 2025-07-31 Ethan Buchman , Paolo Dini , Shoaib Ahmed , Andrew Miller , Tomaž Fleischman

Hyperdrive is a protocol designed to facilitate the trading of fixed and variable rate assets. The protocol's unique pricing model consolidates liquidity into a single pool which addresses the challenges of fragmented liquidity across…

Computer Science and Game Theory · Computer Science 2024-05-24 Jonny Rhea , Alex Towle , Mihai Cosma

Bitcoin brings a new type of digital currency that does not rely on a central system to maintain transactions. By benefiting from the concept of decentralized ledger, users who do not know or trust each other can still conduct transactions…

Cryptography and Security · Computer Science 2019-09-17 Zhimin Gao , Lei Xu , Keshav Kasichainula , Lin Chen , Bogdan Carbunar , Weidong Shi

Cryptocurrencies came to the world in the recent decade and attempted to offer a new order where the financial system is not governed by a centralized entity, and where you have complete control over your account without the need to trust…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-26 Asa Dan

The blockchain technology enables mutually untrusting participants to reach consensus on the state of a distributed and decentralized ledger (called a blockchain) in a permissionless setting. The consensus protocol of the blockchain imposes…

Cryptography and Security · Computer Science 2019-03-12 Chunpeng Ge , Siwei Sun , Pawel Szalachowski

Cryptocurrencies are poised to revolutionize the modern economy by democratizing commerce. These currencies operate on top of blockchain-based distributed ledgers. Existing permissionless blockchain-based protocols offer unparalleled…

Cryptography and Security · Computer Science 2022-03-25 Anurag Jain , Sanidhay Arora , Sankarshan Damle , Sujit Gujar

In cryptocurrencies, transaction fees are typically exclusively paid in the native platform currency. This restriction causes a wide range of challenges, such as deteriorated user experience, mandatory rent payments by decentralized…

Computers and Society · Computer Science 2020-04-20 István András Seres

The introduction of novel technology has oftentimes changed the concept of ownership. Non-fungible tokens are a recent example, as they allow a decentralized way to generate and verify proof of ownership via distributed ledger technology.…

Computers and Society · Computer Science 2022-06-06 Amaury Trujillo

Blockchain based cryptocurrencies are usually unmanaged, distributed, consensus-based systems in which no single entity has control. Managed cryptocurrencies can be implemented using private blockchains but are fundamentally different as…

Cryptography and Security · Computer Science 2019-06-27 Peter Mell

Public-key quantum money is a cryptographic protocol in which a bank can create quantum states which anyone can verify but no one except possibly the bank can clone or forge. There are no secure public-key quantum money schemes in the…

As an append-only distributed database, blockchain is utilized in a vast variety of applications including the cryptocurrency and Internet-of-Things (IoT). The existing blockchain solutions have downsides in communication and storage…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-22 Yahya Hassanzadeh-Nazarabadi , Alptekin Küpçü , Öznur Özkasap