Filters








21 Hits in 7.2 sec

Detecting Ponzi Schemes on Ethereum

Weili Chen, Zibin Zheng, Jiahui Cui, Edith Ngai, Peilin Zheng, Yuren Zhou
2018 Proceedings of the 2018 World Wide Web Conference on World Wide Web - WWW '18  
By verifying smart contracts on Ethereum, we first extract features from user accounts and operation codes of the smart contracts and then build a classification model to detect latent Ponzi schemes implemented  ...  Based on these results, we propose to build a uniform platform to evaluate and monitor every created smart contract for early warning of scams.  ...  , 61773410), the Program for Guangdong Introducing Innovative and Enterpreneurial Teams (2016ZT06D211) ,the Pearl River S&T Nova Program of Guangzhou (201710010046).  ... 
doi:10.1145/3178876.3186046 dblp:conf/www/ChenZCNZZ18 fatcat:apwp5b642fflnok77umftj4sli

Anomaly Detection in Blockchain Networks: A Comprehensive Survey [article]

Muneeb Ul Hassan, Mubashir Husain Rehmani, Jinjun Chen
2022 arXiv   pre-print
Afterwards, we present a thorough survey of various anomaly detection models from the perspective of each layer of blockchain.  ...  For this, we first discuss how anomaly detection can aid in ensuring security of blockchain based applications.  ...  Detecting Developed model to • Fraudulent smart • Precision Public EVM • Cryptocurrency EthereumPonzi [112] predict Ponzi smart contract • Recall Data Contracts contracts from day zero. • F-1 Score  ... 
arXiv:2112.06089v3 fatcat:hiwz3s5hvzf3bbqszfdzaqpifm

Multi-scale Two-way Deep Neural Network for Stock Trend Prediction

Guang Liu, Yuzhao Mao, Qi Sun, Hailong Huang, Weiguo Gao, Xuan Li, Jianping Shen, Ruifan Li, Xiaojie Wang
2020 Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence  
A mature investor will thoroughly investigate the state of a stock market at various time scales.  ...  After combining the learned patterns from the two-way, our model achieves state-of-the-art performance on FI-2010 and CSI-2016, where the latter is our published long-range stock dataset to help future  ...  Acknowledgments The work described in this paper was supported by the National Key Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence Special Track on AI in FinTech  ... 
doi:10.24963/ijcai.2020/621 dblp:conf/ijcai/ChenGCZL20 fatcat:pucrzozhavb6vaiknmtjcjie3u

Blockchain's Struggle to Deliver Impersonal Exchange

Benito Arruuada
2017 Social Science Research Network  
It argues that, contrary to naive conceptions that proclaim the end of intermediaries and state involvement, blockchain applications will rely on a variety of interface, completion, and enforcement specialists  ...  Without these interventions, blockchain applications will at most enable trade in in personam claims instead of in rem rights, therefore facilitating personal instead of truly impersonal-that is, asset-based-transactions  ...  First, when Ethereum allows forks to happen and override smart contract code, it's giving up on 'code as law' and allowing the spirit of code to trump it when the execution deviates from the spirit. .  ... 
doi:10.2139/ssrn.2903857 fatcat:5a62522i7rf6bk5c7icbhcnk6i

Comparative Analysis of ICO, DAOICO, IEO and STO. Case Study

A. S. Myalo
2019 Финансы: теория и практика  
The information source is the ICO rating data of the return on investment in blockchain startups.  ...  The first one includes elements of Decentralized Autonomous Organizations (DAO). Its aim is to minimize the difficulties and risks associated with the ICO.  ...  In 2015, Vitalik Buterin presented cryptocurrency Ethereum and the Ethereum platform based on the concept of decentralized smart contracts.  ... 
doi:10.26794/2587-5671-2019-23-6-6-25 fatcat:dpbpkd7hhzfexkk63jddfpmyne

The correlation between Bitcoin, Ethereum and the United Maghreb Arab's banking and business

Khaoula Hidawi
2020 Zenodo  
Whether you are with or against them cryptocurrencies represent one of the biggest bull markets in the history of finance and it's the only boom that comes close to the California gold rush.  ...  estimates for global poverty are that 8.6 percent of the world, or 736 million people, live in extreme poverty on 1.90 dollars or less a day, according to the World Bank but we know in our bones it's  ...  If you can use a programming language Like Python , this book will teach you how smart contract blockchains work, how to use them, and how to develop smart contracts and decentralized applications with  ... 
doi:10.5281/zenodo.4115901 fatcat:fb4c7oofd5dcvoaxswgoafr5za

Understanding Smart Contracts: Hype or Hope? [article]

Elizaveta Zinovyeva, Raphael C. G. Reule, Wolfgang Karl Härdle
2021 arXiv   pre-print
Smart Contracts are commonly considered to be an important component or even a key to many business solutions in an immense variety of sectors and promises to securely increase their individual efficiency  ...  Besides fundamental flaws and applica-tion difficulties of currently employed Smart Contracts, the technological drive and enthusiasm backing it may however serve as a jump-off board for future developments  ...  Subsequently, we will still speak of DApps vs.  ... 
arXiv:2103.08447v1 fatcat:jmek7zk54rcuzb2uciocz4jb3q

A Value-sensitive Design Perspective of Cryptocurrencies: A Research Agenda

Karlene Cousins, Hemang Subramanian, Pouyan Esmaeilzadeh
2019 Communications of the Association for Information Systems  
As our main contribution, we offer a research agenda based on the cryptocurrency stakeholders' underlying value system.  ...  Although we have seen an uptrend in the types of created cryptocurrencies, it has not yet translated into mainstream adoption., In this paper, we use value-sensitive design principles to identify values  ...  Two of the most popular cryptocurrencies, Bitcoin and Ethereum, allow users to create smart contracts. A smart contract can encode any set of rules represented in its programming language.  ... 
doi:10.17705/1cais.04527 fatcat:mu5tkynyz5ecbdhia5pa6x2a74

Money and Trust in Metaverses, Bitcoin and Stablecoins in global social XR [article]

John Joseph O'Hare, Allen Fairchild, Umran Ali
2022 arXiv   pre-print
Suitable components of the extended Bitcoin ecosystem are described in more depth. Other mechanisms for native digital value transfer are described, with a focus on 'money'.  ...  A cloud deployable virtual machine based technology stack deployment guide with a focus on cybersecurity best practice can be downloaded from GitHub to experiment with the technologies.  ...  These chains connect the logic of a smart contract on one chain to that of another.  ... 
arXiv:2207.09460v1 fatcat:ssy7jc7kffeetn2pl5kuwr2qva

Implementation of international standards of virtual assets market regulation in Ukraine
Упровадження міжнародних стандартів регулювання ринку віртуальних активів в Україні

Tetyana DMYTRENKO, The Educational and Scientific Institute of the International Economics and Finance of the Interregional Academy of Personnel Management, Oleksandr LYUBICH, SESE "The Academy of Financial Management"
2020 Fìnansi Ukraïni  
amendments to the Tax Code of Ukraine.  ...  The article analyzes international and European guidelines on the circulation of virtual assets and the activities of service providers with virtual assets, a draft Law of Ukraine "On Virtual Assets" and  ...  of Ponzi scheme revenue on this graph, reached 3 million victims on its own.  ... 
doi:10.33763/finukr2020.09.065 fatcat:j7koxcg6nnhg5du7xb5ayxtvzq

Crypto Currency Regulation and Law Enforcement Perspectives [article]

Nicolas T. Courtois, Kacper T. Gradon, Klaus Schmeh
2021 arXiv   pre-print
The aim of the paper is to raise a set of concerns arising in the criminal justice and policing circles, based on the interviews with law enforcement practitioners, and to see how cryptos could be reconciled  ...  Interestingly, privacy helps to defend on multiple fronts: against social engineering, targeted crime, scams, and also against cybersecurity thefts and hacks.  ...  He was also funded by the EU with project RIBS on Resilient Infrastructure and Building Security. Kacper Gradon acknowledges the support of UCL Jill Dando Institute of Security and Crime Science.  ... 
arXiv:2109.01047v1 fatcat:dsk762lktjaapd6y66kqwwdsue

The Fintech Trilemma

Chris Brummer, Yesha Yadav
2017 Social Science Research Network  
Problems also arise from the common assumption that today's fintech is a mere continuation of the story of innovation that has shaped finance for centuries.  ...  Part of the challenge lies in managing the trade-offs that accompany the regulation of innovations that could, conceivably, both help and hurt consumers as well as market participants.  ...  See Alyssa Hertig, How Do Ethereum Smart Contracts Work?, COINDESK, https://www.coindesk.com/ information/ethereum -smart-contracts -work/ [https://perma.cc/9X5E-NA4V] (last visited Oct. 29, 2018).  ... 
doi:10.2139/ssrn.3054770 fatcat:oigdgu6xwbgafiozf3mf6ehs5m

Evaluating Criminal Transactional Methods in Cyberspace as Understood in an International Context

R.V. Gundur, Michael Levi, Volkan Topalli, Marie Ouellet, Maria Stolyarova, Lennon Yao-Chung Chang, Diego Domínguez Mejía
2021 CrimRxiv  
This will facilitate decisionmaking, regarding prevention, protection, and early detection of incidents; Structure, design, and implementation of models for incident management, that will allow responding  ...  Russian-speaking hackers create, on average, one to two new malicious programmes per month designed for committing theft of funds.  ... 
doi:10.21428/cb6ab371.5f335e6f fatcat:vmrt7shntreqbg2z5mgysr5anq

How blockchain technology and other innovations change(d) the future of banking

Maria Semenchenko, Marc Gruber
2016
The Blockchain technology is however in its early stage of experimentation, where there is a lot of uncertainty about, which dominant design of the technology will be adopted by the majority of financial  ...  There are already many use cases, where this technology can significantly improve banking operations and processes, among them are international payments, smart contracts, digital identity and smart assets  ...  Smart contracts represent a piece of a code with terms of the contract, like if-than statements.  ... 
doi:10.34726/hss.2016.37650 fatcat:b7pu267grfbtradl337dqazi4y

Blockchain – a promising instrument for socio-economic development?

Alberto Medina Islas
2019 unpublished
In recent years, an increasing number of development organizations have been examining how blockchain can support the attainment of their goals.  ...  It presents an analysis of relevant publications of three major international development organizations to ascertain how this discourse is formed and legitimated.  ...  Whereas in a conventional contract the clauses are written in a language of everyday use, the clauses in smart contracts are written in lines of computer code.  ... 
doi:10.25365/thesis.58116 fatcat:jut4szpxvbagjeawfr5v5kk6wa
« Previous Showing results 1 — 15 out of 21 results