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The Hyperledger Fabric is well known and the most prominent enterprise-grade permissioned blockchain. The architecture of the Hyperledger Fabric introduces a new architecture paradigm of simulate-order-validate and pluggable architecture,…

分布式、并行与集群计算 · 计算机科学 2023-07-18 Ivan Laishevskiy , Artem Barger , Vladimir Gorgadze

This paper describes the work carried out by the Inter-American Development Bank, the IDB Lab, LACChain, Cambridge Quantum Computing (CQC), and Tecnologico de Monterrey to identify and eliminate quantum threats in blockchain networks. The…

Quantum computers threaten widely deployed cryptographic primitives such as RSA, DSA, and ECC. While NIST has released post-quantum cryptographic (PQC) standards (e.g., Kyber, Dilithium), mobile app ecosystems remain largely unprepared for…

密码学与安全 · 计算机科学 2025-06-03 Joseph Strauss , Krishna Upadhyay , A. B. Siddique , Ibrahim Baggili , Umar Farooq

The growth in IoT devices means an ongoing risk of data vulnerability. The transition from centralized ecosystems to decentralized ecosystems is of paramount importance due to security, privacy, and data use concerns. Since the majority of…

密码学与安全 · 计算机科学 2025-11-04 Sushil Khairnar

Storing big data directly on a blockchain poses a substantial burden due to the need to maintain a consistent ledger across all nodes. Numerous studies in decentralized storage systems have been conducted to tackle this particular…

密码学与安全 · 计算机科学 2024-10-01 Narges Dadkhah , Xuyang Ma , Katinka Wolter , Gerhard Wunder

Hyperledger Fabric is a platform for permissioned blockchain networks that enables secure and auditable distributed data storage for enterprise applications. There is a growing interest in applications based on this platform, but its use…

分布式、并行与集群计算 · 计算机科学 2025-02-18 Carlos Melo , Glauber Gonçalves , Francisco A. Silva , André Soares

Although almost all information about Smart Contract addresses is shared via websites, emails, or other forms of digital communication, Blockchains and distributed ledger technology are unable to establish secure bindings between websites…

密码学与安全 · 计算机科学 2020-04-30 Ulrich Gallersdörfer , Florian Matthes

Quantum Computing (QC) threatens the cryptographic foundations of Cloud Computing (CC), exposing distributed infrastructures to novel attack vectors. This survey provides comprehensive analysis of quantum-safe cloud security, examining…

密码学与安全 · 计算机科学 2026-04-14 Yaser Baseri , Abdelhakim Hafid , Arash Habibi Lashkari

Most currently used cryptographic tools for protecting data are based on certain computational assumptions, which makes them vulnerable with respect to technological and algorithmic developments, such as quantum computing. One existing…

量子物理 · 物理学 2023-04-28 Aleksey K. Fedorov

As the foundation of the Web3 trust system, blockchain technology faces increasing demands for scalability. Sharding emerges as a promising solution, but it struggles to handle highly concurrent cross-shard transactions (\textsf{CSTx}s),…

分布式、并行与集群计算 · 计算机科学 2025-04-09 Lingxiao Yang , Xuewen Dong , Zhiguo Wan , Di Lu , Yushu Zhang , Yulong Shen

The convergence of the Internet of Things (IoT) and quantum computing is redefining the security paradigm of interconnected digital systems. Classical cryptographic algorithms such as RSA, Elliptic Curve Cryptography (ECC), and Advanced…

密码学与安全 · 计算机科学 2026-05-29 Jaydip Sen

With its unique advantages such as decentralization and immutability, blockchain technology has been widely used in various fields in recent years. The smart contract running on the blockchain is also playing an increasingly important role…

密码学与安全 · 计算机科学 2021-06-22 Mengjie Ding , Peiru Li , Shanshan Li , He Zhang

The emergence of quantum computers poses a significant threat to current secure service, application and/or protocol implementations that rely on RSA and ECDSA algorithms, for instance DNSSEC, because public-key cryptography based on number…

密码学与安全 · 计算机科学 2025-07-15 Julio Gento Suela , Javier Blanco-Romero , Florina Almenares Mendoza , Daniel Díaz-Sánchez

The emergence of quantum computing presents profound challenges to existing cryptographic infrastructures, whilst the development of central bank digital currencies (CBDCs) has raised concerns regarding privacy preservation and excessive…

新兴技术 · 计算机科学 2025-07-21 Serhan W. Bahar

This survey is on forward-looking, emerging security concerns in post-quantum era, i.e., the implementation attacks for 2022 winners of NIST post-quantum cryptography (PQC) competition and thus the visions, insights, and discussions can be…

密码学与安全 · 计算机科学 2023-05-24 Alvaro Cintas Canto , Jasmin Kaur , Mehran Mozaffari Kermani , Reza Azarderakhsh

Recently, enterprises have paid attention to permissioned blockchain (BC), where business transactions among inter-authorized organizations (forming a consortium) can automatically be executed on the basis of a distributed consensus…

分布式、并行与集群计算 · 计算机科学 2019-02-01 Tatsuya Sato , Yosuke Himura , Jun Nemoto

Quantum computing poses fundamental risks to classical blockchain systems by undermining widely used cryptographic primitives. In response, two major research directions have emerged: post-quantum blockchains, which integrate…

密码学与安全 · 计算机科学 2026-01-21 Saurav Ghosh , Niloy Deb Roy Mishu

5G enables digital innovation by integrating diverse services, making security especially primary authentication crucial. Two standardized protocols, 5G AKA and EAP AKA', handle authentication for 3GPP and non 3GPP devices. However, 5G AKA…

密码学与安全 · 计算机科学 2025-02-06 Yongho Ko , I Wayan Adi Juliawan Pawana , Ilsun You

Physically Unclonable Function (PUF) offers a secure and lightweight alternative to traditional cryptography for authentication due to their unique device fingerprint. However, their dependence on specialized hardware hinders their adoption…

密码学与安全 · 计算机科学 2025-08-05 S M Mostaq Hossain , Sheikh Ghafoor , Kumar Yelamarthi , Venkata Prasanth Yanambaka

The security foundation of blockchain system relies primarily on classical cryptographic methods and consensus algorithms. However, the advent of quantum computing poses a significant threat to conventional public-key cryptosystems based on…

密码学与安全 · 计算机科学 2026-02-13 Fei Xu , Cheng Ye , Jie OuYang , Ziqiang Wu , Haoze Chen , An Hua , Meifeng Gao , Qiandong Zhang , Minghan Li , Feilong Li , Yajun Miao , Wei Qi