Halal Cryptocurrency Management
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Peer Co-Movement in Crypto Markets
Peer Co-Movement in Crypto Markets G. Schwenkler and H. Zheng∗ February 4, 2021y Abstract We show that peer linkages induce significant price co-movement in crypto markets in excess of common risk factors and correlated demand shocks. When large abnormal return shocks hit one crypto, its peers experience unusually large abnormal returns of the opposite sign. These effects are primarily concentrated among smaller peers and revert after several weeks, resulting in predictable returns. We develop trading strategies that exploit this rever- sal, and show that they are profitable even after accounting for trading fees and frictions. We establish our results by identifying crypto peers through co-mentions in online news using novel natural language processing technologies. Keywords: Cryptocurrencies, peers, co-movement, competition, natural language pro- cessing. JEL codes: G12, G14, C82. ∗Schwenkler is at the Department of Finance, Santa Clara University Leavey School of Business. Zheng is at the Department of Finance, Boston University Questrom School of Business. Schwenkler is corresponding author. Email: [email protected], web: http://www.gustavo-schwenkler.com. yThis is a revision of a previous paper by the two authors called \Competition or Contagion: Evidence from Cryptocurrency Markets." We are grateful to Jawad Addoum (discussant), Daniele Bianchi (discussant), Will Cong, Tony Cookson, Sanjiv Das, Seoyoung Kim, Andreas Neuhierl, Farzad Saidi, and Antoinette Schoar, seminar participants at Boston University and the Society for Financial Econometrics, and the participants at the 2020 Finance in the Cloud III Virtual Conference, the 2020 MFA Annual Meeting, the 3rd UWA Blockchain, Cryptocurrency and FinTech Conference, and the 2020 INFORMS Annual Meeting for useful comments and suggestions. -
YEUNG-DOCUMENT-2019.Pdf (478.1Kb)
Useful Computation on the Block Chain The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Yeung, Fuk. 2019. Useful Computation on the Block Chain. Master's thesis, Harvard Extension School. Citable link https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37364565 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA 111 Useful Computation on the Block Chain Fuk Yeung A Thesis in the Field of Information Technology for the Degree of Master of Liberal Arts in Extension Studies Harvard University November 2019 Copyright 2019 [Fuk Yeung] Abstract The recent growth of blockchain technology and its usage has increased the size of cryptocurrency networks. However, this increase has come at the cost of high energy consumption due to the processing power needed to maintain large cryptocurrency networks. In the largest networks, this processing power is attributed to wasted computations centered around solving a Proof of Work algorithm. There have been several attempts to address this problem and it is an area of continuing improvement. We will present a summary of proposed solutions as well as an in-depth look at a promising alternative algorithm known as Proof of Useful Work. This solution will redirect wasted computation towards useful work. We will show that this is a viable alternative to Proof of Work. Dedication Thank you to everyone who has supported me throughout the process of writing this piece. -
Pdf [2] Popper, N
Journal of Mathematical Finance, 2021, 11, 495-511 https://www.scirp.org/journal/jmf ISSN Online: 2162-2442 ISSN Print: 2162-2434 The Investors’ Behavior towards the Relationship between Bitcoin, Litcoin, Dash Coins, and Gold: A Portfolio Modeling Approach Asma Maghrebi, Fathi Abid Department of Management, Faculty of Economics and Management, Sfax, Tunisia How to cite this paper: Maghrebi, A. and Abstract Abid, F. (2021) The Investors’ Behavior towards the Relationship between Bitcoin, This study considers a market-based economy that is composed of two asset Litcoin, Dash Coins, and Gold: A Portfolio classes: one is a digital, cryptocurrency, and the other is real, gold. We dem- Modeling Approach. Journal of Mathemat- onstrated that coins like (BTC, LTC, and DASH) can substitute a traditional ical Finance, 11, 495-511. https://doi.org/10.4236/jmf.2021.113028 safe haven “gold” in an intertemporal investment portfolio to become a new form of safe haven. The cryptocurrency follows a Jump-diffusion process. How- Received: June 29, 2021 ever, gold prices follow an Ornstein-Uhlenbek process to characterize the Accepted: August 16, 2021 stochastic nature of the market. The stochastic optimal control approach, Published: August 19, 2021 combined with the strategic asset allocation and the intertemporal utility Copyright © 2021 by author(s) and theory, are used through the derivation of a Hamilton-Jacobi-Bellman (HJB) Scientific Research Publishing Inc. equation to determine an explicit solution of the optimal allocation problem This work is licensed under the Creative for investors with CRRA utility function. We considered the Gamma Lévy Commons Attribution International process to solve the optimization problem. -
PWC and Elwood
2020 Crypto Hedge Fund Report Contents Introduction to Crypto Hedge Fund Report 3 Key Takeaways 4 Survey Data 5 Investment Data 6 Strategy Insights 6 Market Analysis 7 Assets Under Management (AuM) 8 Fund performance 9 Fees 10 Cryptocurrencies 11 Derivatives and Leverage 12 Non-Investment Data 13 Team Expertise 13 Custody and Counterparty Risk 15 Governance 16 Valuation and Fund Administration 16 Liquidity and Lock-ups 17 Legal and Regulatory 18 Tax 19 Survey Respondents 20 About PwC & Elwood 21 Introduction to Crypto Hedge Fund report In this report we provide an overview of the global crypto hedge fund landscape and offer insights into both quantitative elements (such as liquidity terms, trading of cryptocurrencies and performance) and qualitative aspects, such as best practice with respect to custody and governance. By sharing these insights with the broader crypto industry, our goal is to encourage the adoption of sound practices by market participants as the ecosystem matures. The data contained in this report comes from research that was conducted in Q1 2020 across the largest global crypto hedge funds by assets under management (AuM). This report specifically focuses on crypto hedge funds and excludes data from crypto index/tracking/passive funds and crypto venture capital funds. 3 | 2020 Crypto Hedge Fund Report Key Takeaways: Size of the Market and AuM: Performance and Fees: • We estimate that the total AuM of crypto hedge funds • The median crypto hedge fund returned +30% in 2019 (vs - globally increased to over US$2 billion in 2019 from US$1 46% in 2018). billion the previous year. -
Blockchain & Cryptocurrency Regulation
Blockchain & Cryptocurrency Regulation Third Edition Contributing Editor: Josias N. Dewey Global Legal Insights Blockchain & Cryptocurrency Regulation 2021, Third Edition Contributing Editor: Josias N. Dewey Published by Global Legal Group GLOBAL LEGAL INSIGHTS – BLOCKCHAIN & CRYPTOCURRENCY REGULATION 2021, THIRD EDITION Contributing Editor Josias N. Dewey, Holland & Knight LLP Head of Production Suzie Levy Senior Editor Sam Friend Sub Editor Megan Hylton Consulting Group Publisher Rory Smith Chief Media Officer Fraser Allan We are extremely grateful for all contributions to this edition. Special thanks are reserved for Josias N. Dewey of Holland & Knight LLP for all of his assistance. Published by Global Legal Group Ltd. 59 Tanner Street, London SE1 3PL, United Kingdom Tel: +44 207 367 0720 / URL: www.glgroup.co.uk Copyright © 2020 Global Legal Group Ltd. All rights reserved No photocopying ISBN 978-1-83918-077-4 ISSN 2631-2999 This publication is for general information purposes only. It does not purport to provide comprehensive full legal or other advice. Global Legal Group Ltd. and the contributors accept no responsibility for losses that may arise from reliance upon information contained in this publication. This publication is intended to give an indication of legal issues upon which you may need advice. Full legal advice should be taken from a qualified professional when dealing with specific situations. The information contained herein is accurate as of the date of publication. Printed and bound by TJ International, Trecerus Industrial Estate, Padstow, Cornwall, PL28 8RW October 2020 PREFACE nother year has passed and virtual currency and other blockchain-based digital assets continue to attract the attention of policymakers across the globe. -
NEO Market Report Summary
NEO Market Analysis NEO Market Report Summary NEO, frequently nicknamed within the cryptocurrency community as The One, Chinese Ethereum or Ethereum ‘‘killer’’, is a blockchain platform that implements digital assets, dApps and smart contracts, and tries to solve some scalability and regulatory issues of its competitors. With strong partnerships and support from the Asian cryptocurrency community, NEO is one of the most promising currencies in the crypto-assets space, with the ambitious goal of becoming the main “smart economy” of the world during the next few years. “A word to the wise. All cryptocurrencies, including NEO, are still largely considered to be in the experimental stage and as such should be treated as high risk assets. In any investment account, high risk assets should only represent a small portion of your overall portfolio. That said, we hope you enjoy this market analysis. Feel free to contact us with any questions or feedback.” eToro: @MatiGreenspan | Twitter: @MatiGreenspan | LinkedIn: MatiGreenspan NEO Market Analysis History Technical Description NEO was introduced in 2014 under the Ethereum changed the whole name Antshares by China-based company cryptocurrency sphere by introducing a new Onchain, a blockchain-specialized company layer when compared to Bitcoin by founded in 2014 by Da Hongfei and Erik developing a platform where smart Zhang. Two crowdsales in late 2015 contracts and other tokens and ICOs can be provided the founding for the project. On developed. On Ethereum, smart contracts these crowdsales, 17.5 million and 22.5 are written using special programming million NEO were sold for $550,000 and languages like Solidity. -
Litecoin Emerges As the Next Dominant Dark Web Currency
REPORT Litecoin Emerges as the Next Dominant Dark Web Currency By Andrei Barysevich and Alexandr Solad Recorded Future CTA-2018-0208 CYBER THREAT ANALYSIS Executive Summary In mid-2016, Recorded Future noticed members of the cybercriminal underground discussing their growing dissatisfaction with Bitcoin as a payment vehicle, regardless of their geographical distribution, spoken language, or niche business. Recorded Future conducted an extensive analysis on 150 of the most prominent message boards, marketplaces, and illicit services, which unexpectedly revealed that Litecoin is surpassing other cryptocurrencies in preference, and is currently the second most dominant coin on the dark web after Bitcoin. Key Judgments ● In 2016, criminals began voicing their dissatisfaction with the performance and cost of initiating Bitcoin transactions. ● Upon initial assessment of underground chatter, it appeared Dash was slated to become the next major dark web currency. However, after further research, this was proven false. ● To obtain the most accurate statistical information, Recorded Future analyzed 150 of the most prominent message boards, marketplaces, and illicit services. ● Final results show that alongside Bitcoin, Litecoin is the second most accepted cryptocurrency, followed by Dash. Background Beginning in the middle of 2016, Recorded Future began noticing an increase in frequency of discussions regarding the functionality, security, and usability of cryptocurrency among members of the cybercriminal underground. Regardless of their geographical distribution, spoken language, or niche business, everyone was sharing their growing dissatisfaction with Bitcoin as a major payment vehicle. The meteoritic rise in popularity of Bitcoin among household users, speculators, and institutional investors around the world since mid-2017 has placed an enormous load on the blockchain network, resulting in larger payment fees. -
Coinbase Explores Crypto ETF (9/6) Coinbase Spoke to Asset Manager Blackrock About Creating a Crypto ETF, Business Insider Reports
Crypto Week in Review (9/1-9/7) Goldman Sachs CFO Denies Crypto Strategy Shift (9/6) GS CFO Marty Chavez addressed claims from an unsubstantiated report earlier this week that the firm may be delaying previous plans to open a crypto trading desk, calling the report “fake news”. Coinbase Explores Crypto ETF (9/6) Coinbase spoke to asset manager BlackRock about creating a crypto ETF, Business Insider reports. While the current status of the discussions is unclear, BlackRock is said to have “no interest in being a crypto fund issuer,” and SEC approval in the near term remains uncertain. Looking ahead, the Wednesday confirmation of Trump nominee Elad Roisman has the potential to tip the scales towards a more favorable cryptoasset approach. Twitter CEO Comments on Blockchain (9/5) Twitter CEO Jack Dorsey, speaking in a congressional hearing, indicated that blockchain technology could prove useful for “distributed trust and distributed enforcement.” The platform, given its struggles with how best to address fraud, harassment, and other misuse, could be a prime testing ground for decentralized identity solutions. Ripio Facilitates Peer-to-Peer Loans (9/5) Ripio began to facilitate blockchain powered peer-to-peer loans, available to wallet users in Argentina, Mexico, and Brazil. The loans, which utilize the Ripple Credit Network (RCN) token, are funded in RCN and dispensed to users in fiat through a network of local partners. Since all details of the loan and payments are recorded on the Ethereum blockchain, the solution could contribute to wider access to credit for the unbanked. IBM’s Payment Protocol Out of Beta (9/4) Blockchain World Wire, a global blockchain based payments network by IBM, is out of beta, CoinDesk reports. -
A Survey on Volatility Fluctuations in the Decentralized Cryptocurrency Financial Assets
Journal of Risk and Financial Management Review A Survey on Volatility Fluctuations in the Decentralized Cryptocurrency Financial Assets Nikolaos A. Kyriazis Department of Economics, University of Thessaly, 38333 Volos, Greece; [email protected] Abstract: This study is an integrated survey of GARCH methodologies applications on 67 empirical papers that focus on cryptocurrencies. More sophisticated GARCH models are found to better explain the fluctuations in the volatility of cryptocurrencies. The main characteristics and the optimal approaches for modeling returns and volatility of cryptocurrencies are under scrutiny. Moreover, emphasis is placed on interconnectedness and hedging and/or diversifying abilities, measurement of profit-making and risk, efficiency and herding behavior. This leads to fruitful results and sheds light on a broad spectrum of aspects. In-depth analysis is provided of the speculative character of digital currencies and the possibility of improvement of the risk–return trade-off in investors’ portfolios. Overall, it is found that the inclusion of Bitcoin in portfolios with conventional assets could significantly improve the risk–return trade-off of investors’ decisions. Results on whether Bitcoin resembles gold are split. The same is true about whether Bitcoins volatility presents larger reactions to positive or negative shocks. Cryptocurrency markets are found not to be efficient. This study provides a roadmap for researchers and investors as well as authorities. Keywords: decentralized cryptocurrency; Bitcoin; survey; volatility modelling Citation: Kyriazis, Nikolaos A. 2021. A Survey on Volatility Fluctuations in the Decentralized Cryptocurrency Financial Assets. Journal of Risk and 1. Introduction Financial Management 14: 293. The continuing evolution of cryptocurrency markets and exchanges during the last few https://doi.org/10.3390/jrfm years has aroused sparkling interest amid academic researchers, monetary policymakers, 14070293 regulators, investors and the financial press. -
Bitcoin and Cryptocurrencies Law Enforcement Investigative Guide
2018-46528652 Regional Organized Crime Information Center Special Research Report Bitcoin and Cryptocurrencies Law Enforcement Investigative Guide Ref # 8091-4ee9-ae43-3d3759fc46fb 2018-46528652 Regional Organized Crime Information Center Special Research Report Bitcoin and Cryptocurrencies Law Enforcement Investigative Guide verybody’s heard about Bitcoin by now. How the value of this new virtual currency wildly swings with the latest industry news or even rumors. Criminals use Bitcoin for money laundering and other Enefarious activities because they think it can’t be traced and can be used with anonymity. How speculators are making millions dealing in this trend or fad that seems more like fanciful digital technology than real paper money or currency. Some critics call Bitcoin a scam in and of itself, a new high-tech vehicle for bilking the masses. But what are the facts? What exactly is Bitcoin and how is it regulated? How can criminal investigators track its usage and use transactions as evidence of money laundering or other financial crimes? Is Bitcoin itself fraudulent? Ref # 8091-4ee9-ae43-3d3759fc46fb 2018-46528652 Bitcoin Basics Law Enforcement Needs to Know About Cryptocurrencies aw enforcement will need to gain at least a basic Bitcoins was determined by its creator (a person Lunderstanding of cyptocurrencies because or entity known only as Satoshi Nakamoto) and criminals are using cryptocurrencies to launder money is controlled by its inherent formula or algorithm. and make transactions contrary to law, many of them The total possible number of Bitcoins is 21 million, believing that cryptocurrencies cannot be tracked or estimated to be reached in the year 2140. -
Impossibility of Full Decentralization in Permissionless Blockchains
Impossibility of Full Decentralization in Permissionless Blockchains Yujin Kwon*, Jian Liuy, Minjeong Kim*, Dawn Songy, Yongdae Kim* *KAIST {dbwls8724,mjkim9394,yongdaek}@kaist.ac.kr yUC Berkeley [email protected],[email protected] ABSTRACT between achieving good decentralization in the consensus protocol Bitcoin uses the proof-of-work (PoW) mechanism where nodes earn and not relying on a TTP exists. rewards in return for the use of their computing resources. Although this incentive system has attracted many participants, power has, CCS CONCEPTS at the same time, been significantly biased towards a few nodes, • Security and privacy → Economics of security and privacy; called mining pools. In addition, poor decentralization appears not Distributed systems security; only in PoW-based coins but also in coins that adopt proof-of-stake (PoS) and delegated proof-of-stake (DPoS) mechanisms. KEYWORDS In this paper, we address the issue of centralization in the consen- Blockchain; Consensus Protocol; Decentralization sus protocol. To this end, we first define ¹m; ε; δº-decentralization as a state satisfying that 1) there are at least m participants running 1 INTRODUCTION a node, and 2) the ratio between the total resource power of nodes Traditional currencies have a centralized structure, and thus there run by the richest and the δ-th percentile participants is less than exist several problems such as a single point of failure and corrup- or equal to 1 + ε. Therefore, when m is sufficiently large, and ε and tion. For example, the global financial crisis in 2008 was aggravated δ are 0, ¹m; ε; δº-decentralization represents full decentralization, by the flawed policies of banks that eventually led to many bank which is an ideal state. -
Participatory Banking (PB) Taking Measures Against Covid-19 in Turkey Issues and Proposed Strategies Rusni Hassan Zulfahmi
Turkish Journal of TUJISE Islamic Economics Participatory Banking (PB) Taking Measures Against Covid-19 in Turkey Issues and Proposed Strategies Rusni Hassan Zulfahmi Abstract: Not much research has been carried out to examine Participatory Bank (PB) in Tur- key. This is despite the fact that Turkey has a long history in Islamic civilisation. The legacy of strong Islamic law, the majority Muslim population, and the strategic location of the country have failed to serve as a catalyst to boost the market share of participatory banking in the coun- try. The present study aims to explore problems, solutions, and strategies for developing PBs in Turkey. This research also captures the condition of PBs in facing the Covid-19 pandemic. The study adopts a qualitative method that uses library research benefitting from various sources of literature, namely books, journals, and other sources. Semi-structured interviews were conduct- ed with experts including practitioners, regulators, and academicians who have direct involve- ment in PB. The findings are presented in the form of Strength-Weakness-Opportunity-Threat (SWOT) of PBs in Turkey. Interestingly, the preliminary finding shows that the problems of PBs in Turkey stem from both internal and external factors. Lack of understanding and skills, and lack of good Shariah governance practices are the main internal factors. Lack of regulato- ry support, lack of public literacy, lack of academic research and educational institutions, and a regulatory system are the primary external factors. The study suggests two main solutions, namely internal and external solutions, as well as strategies to address the problems. This study could serve as a reference point for the regulator in formulating appropriate policy strategies to increase the market share of PB in Turkey.