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Related papers: A Survey of Layer-Two Blockchain Protocols

200 papers

Blockchains like Bitcoin and Ethereum have revolutionized digital transactions, yet scalability issues persist. Layer 2 solutions, such as validity proof Rollups (ZK-Rollups), aim to address these challenges by processing transactions…

Cryptography and Security · Computer Science 2025-09-16 Stefanos Chaliasos , Denis Firsov , Benjamin Livshits

The widespread adoption of blockchain technology has amplified the spectrum of potential threats to its integrity and security. The ongoing quest to exploit vulnerabilities emphasizes how critical it is to expand on current research…

Cryptography and Security · Computer Science 2024-04-30 Kaustubh Dwivedi , Ankit Agrawal , Ashutosh Bhatia , Kamlesh Tiwari

Bitcoin's global success has led to the rise of blockchain, but many systems labeled as "blockchain" deviate from its core principles, adding complexity to the ecosystem. This survey addresses the need for a comprehensive review and…

Cryptography and Security · Computer Science 2024-09-30 Badr Bellaj , Aafaf Ouaddah , Noel Crespi , Abdelatif Mezrioui , Emmanuel Bertin

The convergence of blockchain and the Internet of Things (IoT) enables secure, decentralised, and verifiable data exchange across distributed smart environments. However, traditional blockchain frameworks suffer from inherent scalability…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-31 Hasan Mahmud Rhidoy , Mahdi H. Miraz , Iftekhar Salam

Blockchain is widely applied in logistics, finance, and agriculture. As single blockchain users grow, scalability becomes crucial. However, existing works lack a comprehensive summary of blockchain scalability. They focus on single chains…

Databases · Computer Science 2024-09-06 Baochao Chen , Liyuan Ma , Hao Xu , Juncheng Ma , Dengcheng Hu , Xiulong Liu , Jie Wu , Jianrong Wang , Keqiu Li

Throughput limitations of existing blockchain architectures are one of the most significant hurdles for their wide-spread adoption. Attempts to address this challenge include layer-2 solutions, such as Bitcoin's Lightning or Ethereum's…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-13 Alexander Hentschel , Dieter Shirley , Layne Lafrance

Bitcoin blockchain faces the bitcoin scalability problem, for which bitcoin's blocks contain the transactions on the bitcoin network. The on-chain transaction processing capacity of the bitcoin network is limited by the average block…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-08-14 Changting Lin , Ning Ma , Xun Wang , Zhenguang Liu , Jianhai Chen , Shouling Ji

Blockchain technology has been gaining great interest from a variety of sectors, including healthcare, supply chain and cryptocurrencies. However, Blockchain suffers from its limited ability to scale (i.e. low throughput and high latency).…

Cryptography and Security · Computer Science 2021-08-13 Abdelatif Hafid , Abdelhakim Senhaji Hafid , Adil Senhaji

Blockchain is a growing decentralized system built for transparency and immutability. There have been several major attacks on blockchain-based systems, leaving a gap in the trustability of this system. This article presents a comprehensive…

Cryptography and Security · Computer Science 2024-09-17 Joydip Das , Syed Ashraf Al Tasin , Md. Forhad Rabbi , Md Sadek Ferdous

The Lightning Network promises to alleviate Bitcoin's known scalability problems. The operation of such second layer approaches relies on the ability of participants to turn to the blockchain to claim funds at any time, which is assumed to…

Cryptography and Security · Computer Science 2020-08-28 Jona Harris , Aviv Zohar

While blockchains initially gained popularity in the realm of cryptocurrencies, their widespread adoption is expanding beyond conventional applications, driven by the imperative need for enhanced data security. Despite providing a secure…

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

In recent years, blockchain technology has received unparalleled attention from academia, industry, and governments all around the world. It is considered a technological breakthrough anticipated to disrupt several application domains. This…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-10 Md Sadek Ferdous , Mohammad Jabed Morshed Chowdhury , Mohammad A. Hoque , Alan Colman

Blockchain and blockchain-inspired decentralized applications are on the rise thanks to their unique characteristics such as their decentralized nature, anonymity, and tamper-proof nature; however, blockchain transactions tend to experience…

Cryptography and Security · Computer Science 2026-04-08 Yi Lyu

Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail…

Cryptography and Security · Computer Science 2026-02-02 Chunyi Zhang , Fengjiao Dou , Xiaoqi Li

Blockchain technology has emerged as one of the most transformative digital innovations of the 21st century. This paper presents a comprehensive review of blockchain's fundamental architecture, tracing its development from Bitcoin's initial…

Cryptography and Security · Computer Science 2025-05-14 Aditya Pratap Singh

Blockchain technology has rapidly evolved from an enabling technology for cryptocurrencies to a potential solution to a wider range of problems found in data-centric and distributed systems. Interest in this area has encouraged many recent…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-14 Amir Hussain Zolfaghari , Herbert Daly , Mahdi Nasiri , Roxana Sharifian

Sharding is essential for improving blockchain scalability. Existing protocols overlook diverse adversarial attacks, limiting transaction throughput. This paper presents Reticulum, a groundbreaking sharding protocol addressing this issue,…

Cryptography and Security · Computer Science 2024-07-16 Yibin Xu , Jingyi Zheng , Boris Düdder , Tijs Slaats , Yongluan Zhou

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

This paper surveys innovative protocols that enhance the programming functionality of the Bitcoin blockchain, a key part of the "Bitcoin Ecosystem." Bitcoin utilizes the Unspent Transaction Output (UTXO) model and a stack-based script…

Cryptography and Security · Computer Science 2024-10-01 Guofu Liao , Taotao Wang , Qing Yang , Yihan Xia , Long Shi , Xiang Zhao , Xiaoxiao Wu , Shengli Zhang , Anthony Chan , Richard Yuen

In the domain of large language models, considerable advancements have been attained in multimodal large language models and explainability research, propelled by the continuous technological progress and innovation. Nonetheless, security…

Cryptography and Security · Computer Science 2024-11-27 Jianghao Gong , Peiqi Yan , Yue Zhang , Hongli An , Logan Liu