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Related papers: SoK: Bitcoin Layer Two (L2)

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Layer-2 (L2) protocols address the fundamental limitations of Layer-1 (L1) blockchains by offloading computation while anchoring trust to the parent chain. This architectural shift, while boosting throughput, introduces a new, complex…

Cryptography and Security · Computer Science 2026-04-24 Ekleen Kaur , Marko Suvajdzic

Bitcoin inscription marks a pivotal moment in blockchain technology. This report presents a primary exploration of Bitcoin inscriptions. We dive into the technological underpinnings and offer a detailed comparative analysis between Bitcoin…

Cryptography and Security · Computer Science 2024-02-01 Ningran Li , Minfeng Qi , Qin Wang , Shiping Chen

With the advent of decentralised digital currencies powered by blockchain technology, a new era of peer-to-peer transactions has commenced. The rapid growth of the cryptocurrency economy has led to increased use of transaction-enabling…

Cryptography and Security · Computer Science 2025-11-05 Yimika Erinle , Yathin Kethepalli , Yebo Feng , Jiahua Xu

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 transaction rates and high transaction processing latencies,…

Cryptography and Security · Computer Science 2022-11-01 Ankit Gangwal , Haripriya Ravali Gangavalli , Apoorva Thirupathi

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

Decentralization has been touted as the principal security advantage which propelled blockchain systems at the forefront of developments in the financial technology space. Its exact semantics nevertheless remain highly contested and…

Cryptography and Security · Computer Science 2024-04-16 Christina Ovezik , Dimitris Karakostas , Aggelos Kiayias

The underlying fundaments of blockchain are cryptography and cryptographic concepts that provide reliable and secure decentralized solutions. Although many recent papers study the use-cases of blockchain in different industrial areas, such…

Cryptography and Security · Computer Science 2020-02-03 Mayank Raikwar , Danilo Gligoroski , Katina Kralevska

Blockchain technology is affected by massive limitations in scalability with consequent repercussions on performance. This discussion aims at analyzing the state of the art of current available Layer II solutions to overcome these…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-26 Cosimo Sguanci , Roberto Spatafora , Andrea Mario Vergani

Blockchain introduces decentralized trust in peer-to-peer networks, advancing security and democratizing systems. Yet, a unified definition for decentralization remains elusive. Our Systematization of Knowledge (SoK) seeks to bridge this…

General Economics · Economics 2023-08-21 Luyao Zhang , Xinshi Ma , Yulin Liu

The intersection of blockchain (distributed ledger) and identity management lacks a comprehensive framework for classifying distributed-ledger-based identity solutions. This paper introduces a methodologically developed taxonomy derived…

Cryptography and Security · Computer Science 2025-07-29 Awid Vaziry , Sandro Rodriguez Garzon , Patrick Herbke , Carlo Segat , Axel Kupper

Layer 2 (L2) protocols, payment channels, sidechains, and rollups, are central to blockchain scalability, enabling off-chain execution while preserving on-chain security. Despite growing deployment, existing security models remain…

Cryptography and Security · Computer Science 2026-05-19 Zeta Avarikioti , Matteo Maffei , Yuheng Wang

Cryptocurrency is a novel exploration of a form of currency that proposes a decentralized electronic payment scheme based on blockchain technology and cryptographic theory. While cryptocurrency has the security characteristics of being…

Cryptography and Security · Computer Science 2025-03-31 Zekai Liu , Xiaoqi Li

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

As an emerging service framework built by combining cryptography, P2P network, consensus mechanism and innovative contract technology, blockchain has been widely used in digital finance, data sharing, message traceability and electronic…

Cryptography and Security · Computer Science 2025-08-05 Wenwen Zhou , Dongyang Lyu , Xiaoqi Li

Blockchain's decentralization, transparency, and tamper-resistance properties have facilitated the system's use in various application fields. However, the low throughput and high confirmation latency hinder the widespread adoption of…

Cryptography and Security · Computer Science 2024-09-12 Md Mohaimin Al Barat , Shaoyu Li , Changlai Du , Y. Thomas Hou , Wenjing Lou

Bitcoin rise has put blockchain technology into the mainstream, amplifying its potential and broad utility. While Bitcoin has become incredibly famous, its transaction rate has not match such a corresponding increase. It still takes…

Cryptography and Security · Computer Science 2024-06-21 Han Song , Zhongche Qu , Yihao Wei

In recent years, significant research efforts have focused on improving blockchain throughput and confirmation speeds without compromising security. While decreasing the time it takes for a transaction to be included in the blockchain…

Cryptography and Security · Computer Science 2026-04-29 Aikaterini-Panagiota Stouka , Conor McMenamin , Demetris Kyriacou , Lin Oshitani , Quentin Botha

For data privacy, system reliability, and security, Blockchain technologies have become more popular in recent years. Despite its usefulness, the blockchain is vulnerable to cyber assaults; for example, in January 2019 a 51% attack on…

Cryptography and Security · Computer Science 2022-12-20 D. Nancy Kirupanithi , A. Antonidoss , G. Subathra

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 scientific interest in the area of Decentralized Randomness Beacon (DRB) protocols has been thriving recently. Partially that interest is due to the success of the disruptive technologies introduced by modern cryptography, such as…

Cryptography and Security · Computer Science 2022-05-27 Mayank Raikwar , Danilo Gligoroski
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