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Many Ethereum smart contracts rely on block attributes such as block.timestamp or blockhash to generate random numbers for applications like lotteries and games. However, these values are predictable and miner-manipulable, creating the Bad…

密码学与安全 · 计算机科学 2026-01-16 Hadis Rezaei , Rahim Taheri , Francesco Palmieri

The escalating prevalence of encryption protocols has led to a concomitant surge in the number of malicious attacks that hide in encrypted traffic. Power grid systems, as fundamental infrastructure, are becoming prime targets for such…

密码学与安全 · 计算机科学 2024-08-21 Peng Zhou , Yongdong Liu , Lixun Ma , Weiye Zhang , Haohan Tan , Zhenguang Liu , Butian Huang

Nodes in route-restricted overlays have an immutable set of neighbors, explicitly specified by their users. Popular examples include payment networks such as the Lightning network as well as social overlays such as the Dark Freenet. Routing…

密码学与安全 · 计算机科学 2019-08-12 Martin Byrenheid , Stefanie Roos , Thorsten Strufe

Networks are composed of logical nodes and edges for communications. The atomistic component of things connected to the network is a memory chip. Accordingly, the unique linkage of a memory chip and a logical node can be promising to…

分布式、并行与集群计算 · 计算机科学 2023-01-04 Hiroshi Watanabe

The blockchain ecosystem, particularly with the rise of Web3 and Non-Fungible Tokens (NFTs), has experienced a significant increase in users and applications. However, this expansion is challenged by the need to connect early adopters with…

密码学与安全 · 计算机科学 2024-04-08 Hiroki Watanabe , Kohei Ichihara , Takumi Aita

Blockchain and Cryptocurrencies are gaining unprecedented popularity and understanding. Meanwhile, Ethereum is gaining a significant popularity in the blockchain community, mainly due to the fact that it is designed in a way that enables…

密码学与安全 · 计算机科学 2018-07-06 TonTon Hsien-De Huang

With the proliferation of intelligent healthcare systems, patients' Personal Health Records (PHR) generated by the Internet of Medical Things (IoMT) in real-time play a vital role in disease diagnosis. The integration of emerging blockchain…

密码学与安全 · 计算机科学 2026-02-13 Yongyang Lv , Xiaohong Li , Kui Chen , Zhe Hou , Guangdong Bai , Ruitao Feng

As an emerging technology, blockchain has achieved great success in numerous application scenarios, from intelligent healthcare to smart cities. However, a long-standing bottleneck hindering its further development is the massive resource…

密码学与安全 · 计算机科学 2020-04-21 Yinqiu Liu , Kai Qian , Jianli Chen , Kun Wang , Lei He

Emerging non-volatile main memory (NVMM) is rapidly being integrated into computer systems. However, NVMM is vulnerable to potential data remanence and replay attacks. Established security models including split counter mode encryption and…

密码学与安全 · 计算机科学 2020-03-11 Alexander Freij , Shougang Yuan , Huiyang Zhou , Yan Solihin

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…

数据库 · 计算机科学 2024-09-06 Baochao Chen , Liyuan Ma , Hao Xu , Juncheng Ma , Dengcheng Hu , Xiulong Liu , Jie Wu , Jianrong Wang , Keqiu Li

As one of the representative blockchain platforms, Ethereum has attracted lots of attacks. Due to the existed financial loss, there is a pressing need to perform timely investigation and detect more attack instances. Though multiple systems…

密码学与安全 · 计算机科学 2020-10-26 Lei Wu , Siwei Wu , Yajin Zhou , Runhuai Li , Zhi Wang , Xiapu Luo , Cong Wang , Kui Ren

Blockchain sharding improves the scalability of blockchain systems by partitioning the whole blockchain state, nodes, and transaction workloads into different shards. However, existing blockchain sharding systems generally suffer from a…

密码学与安全 · 计算机科学 2025-12-23 You Lin , Mingzhe Li , Jin Zhang

Blockchains have seen growing traction with cryptocurrencies reaching a market cap of over 1 trillion dollars, major institution investors taking interests, and global impacts on governments, businesses, and individuals. Also growing…

密码学与安全 · 计算机科学 2022-10-04 Tiancheng Xie , Jiaheng Zhang , Zerui Cheng , Fan Zhang , Yupeng Zhang , Yongzheng Jia , Dan Boneh , Dawn Song

The automotive industry has seen an increased need for connectivity, both as a result of the advent of autonomous driving and the rise of connected cars and truck fleets. This shift has led to issues such as trusted coordination and a wider…

密码学与安全 · 计算机科学 2019-07-08 Parth Singhal , Siddharth Masih

Launchpads have become the dominant mechanism for issuing memecoins, exposing investors to a new class of high-risk launches that existing rug-pull detection methods cannot capture. We argue that detecting these threats requires structured…

密码学与安全 · 计算机科学 2026-05-25 Sihao Hu , Selim Furkan Tekin , Yichang Xu , Ling Liu

Blockchain is a disruptive technology intended at implementing secure decentralized distributed systems, in which transactional data can be shared, stored and verified by participants of a system using cryptographic and consensus…

软件工程 · 计算机科学 2019-03-11 Sabreen Ahmadjee , Rami Bahsoon

This paper investigates the evolving relationship between protecting Intellectual Property Rights (IPRs) and blockchain technology. We conducted a comprehensive literature review, supplemented by case study analyses and research paper…

密码学与安全 · 计算机科学 2024-10-14 Rabia Bajwa , Farah Tasnur Meem

Symbolic analysis of security exploits in smart contracts has demonstrated to be valuable for analyzing predefined vulnerability properties. While some symbolic tools perform complex analysis steps, they require a predetermined invocation…

密码学与安全 · 计算机科学 2019-06-10 Wesley Joon-Wie Tann , Xing Jie Han , Sourav Sen Gupta , Yew-Soon Ong

Blockchain offers an innovative approach to storing information, executing transactions, performing functions, and establishing trust in an open environment. Many consider blockchain as a technology breakthrough for cryptography and…

密码学与安全 · 计算机科学 2019-08-20 Rui Zhang , Rui Xue , Ling Liu

Blockchain technology, with implications in the financial domain, offers data in the form of large-scale transaction networks. Analyzing transaction networks facilitates fraud detection, market analysis, and supports government regulation.…

计算工程、金融与科学 · 计算机科学 2025-01-23 Junliang Luo , Xue Liu