Beyond Bitcoin a Brief History of Blockchain
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Is Bitcoin Really Untethered?
THE JOURNAL OF FINANCE • VOL. LXXV, NO. 4 • AUGUST 2020 Is Bitcoin Really Untethered? JOHN M. GRIFFIN and AMIN SHAMS∗ ABSTRACT This paper investigates whether Tether, a digital currency pegged to the U.S. dollar, influenced Bitcoin and other cryptocurrency prices during the 2017 boom. Using al- gorithms to analyze blockchain data, we find that purchases with Tether are timed following market downturns and result in sizable increases in Bitcoin prices. The flow is attributable to one entity, clusters below round prices, induces asymmetric auto- correlations in Bitcoin, and suggests insufficient Tether reserves before month-ends. Rather than demand from cash investors, these patterns are most consistent with the supply-based hypothesis of unbacked digital money inflating cryptocurrency prices. INNOVATION, EXCESSIVE SPECULATION, AND DUBIOUS behavior are often closely linked. Periods of extreme price increases followed by implosion, commonly known as “bubbles,” are often associated with legitimate inventions, technolo- gies, or opportunities. However, they can be carried to excess. In particu- lar, financial bubbles often coincide with the belief that a rapid gain can be ∗John M. Griffin is at the McCombs School of Business, University of Texas at Austin. Amin Shams is at the Fisher College of Business, Ohio State University. Helpful comments were received from Stefan Nagel (the editor); an associate editor; two anonymous referees; Cesare Fracassi; Sam Kruger; Shaun MaGruder; Gregor Matvos; Nikolai Roussanov; Clemens Sialm; and seminar and conference -
Cryptocurrency: the Economics of Money and Selected Policy Issues
Cryptocurrency: The Economics of Money and Selected Policy Issues Updated April 9, 2020 Congressional Research Service https://crsreports.congress.gov R45427 SUMMARY R45427 Cryptocurrency: The Economics of Money and April 9, 2020 Selected Policy Issues David W. Perkins Cryptocurrencies are digital money in electronic payment systems that generally do not require Specialist in government backing or the involvement of an intermediary, such as a bank. Instead, users of the Macroeconomic Policy system validate payments using certain protocols. Since the 2008 invention of the first cryptocurrency, Bitcoin, cryptocurrencies have proliferated. In recent years, they experienced a rapid increase and subsequent decrease in value. One estimate found that, as of March 2020, there were more than 5,100 different cryptocurrencies worth about $231 billion. Given this rapid growth and volatility, cryptocurrencies have drawn the attention of the public and policymakers. A particularly notable feature of cryptocurrencies is their potential to act as an alternative form of money. Historically, money has either had intrinsic value or derived value from government decree. Using money electronically generally has involved using the private ledgers and systems of at least one trusted intermediary. Cryptocurrencies, by contrast, generally employ user agreement, a network of users, and cryptographic protocols to achieve valid transfers of value. Cryptocurrency users typically use a pseudonymous address to identify each other and a passcode or private key to make changes to a public ledger in order to transfer value between accounts. Other computers in the network validate these transfers. Through this use of blockchain technology, cryptocurrency systems protect their public ledgers of accounts against manipulation, so that users can only send cryptocurrency to which they have access, thus allowing users to make valid transfers without a centralized, trusted intermediary. -
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. -
Trading and Arbitrage in Cryptocurrency Markets
Trading and Arbitrage in Cryptocurrency Markets Igor Makarov1 and Antoinette Schoar∗2 1London School of Economics 2MIT Sloan, NBER, CEPR December 15, 2018 ABSTRACT We study the efficiency, price formation and segmentation of cryptocurrency markets. We document large, recurrent arbitrage opportunities in cryptocurrency prices relative to fiat currencies across exchanges, which often persist for weeks. Price deviations are much larger across than within countries, and smaller between cryptocurrencies. Price deviations across countries co-move and open up in times of large appreciations of the Bitcoin. Countries that on average have a higher premium over the US Bitcoin price also see a bigger widening of arbitrage deviations in times of large appreciations of the Bitcoin. Finally, we decompose signed volume on each exchange into a common and an idiosyncratic component. We show that the common component explains up to 85% of Bitcoin returns and that the idiosyncratic components play an important role in explaining the size of the arbitrage spreads between exchanges. ∗Igor Makarov: Houghton Street, London WC2A 2AE, UK. Email: [email protected]. An- toinette Schoar: 62-638, 100 Main Street, Cambridge MA 02138, USA. Email: [email protected]. We thank Yupeng Wang and Yuting Wang for outstanding research assistance. We thank seminar participants at the Brevan Howard Center at Imperial College, EPFL Lausanne, European Sum- mer Symposium in Financial Markets 2018 Gerzensee, HSE Moscow, LSE, and Nova Lisbon, as well as Anastassia Fedyk, Adam Guren, Simon Gervais, Dong Lou, Peter Kondor, Gita Rao, Norman Sch¨urhoff,and Adrien Verdelhan for helpful comments. Andreas Caravella, Robert Edstr¨omand Am- bre Soubiran provided us with very useful information about the data. -
Cryptocurrency and the Blockchain: Technical Overview and Potential Impact on Commercial Child Sexual Exploitation
Cryptocurrency and the BlockChain: Technical Overview and Potential Impact on Commercial Child Sexual Exploitation Prepared for the Financial Coalition Against Child Pornography (FCACP) and the International Centre for Missing & Exploited Children (ICMEC) by Eric Olson and Jonathan Tomek, May 2017 Foreword The International Centre for Missing & Exploited Children (ICMEC) advocates, trains and collaborates to eradicate child abduction, sexual abuse and exploitation around the globe. Collaboration – one of the pillars of our work – is uniquely demonstrated by the Financial Coalition Against Child Pornography (FCACP), which was launched in 2006 by ICMEC and the National Center for Missing & Exploited Children. The FCACP was created when it became evident that people were using their credit cards to buy images of children being sexually abused online. Working alongside law enforcement, the FCACP followed the money to disrupt the economics of the child pornography business, resulting in the virtual elimination of the use of credit cards in the United States for the purchase of child sexual abuse content online. And while that is a stunning accomplishment, ICMEC and the FCACP are mindful of the need to stay vigilant and continue to fight those who seek to profit from the sexual exploitation of children. It is with this in mind that we sought to research cryptocurrencies and the role they play in commercial sexual exploitation of children. This paper examines several cryptocurrencies, including Bitcoin, and the Blockchain architecture that supports them. It provides a summary of the underground and illicit uses of the currencies, as well as the ramifications for law enforcement and industry. ICMEC is extremely grateful to the authors of this paper – Eric Olson and Jonathan Tomek of LookingGlass Cyber Solutions. -
How Bitcoin Functions As Property Law Eric D
College of William & Mary Law School William & Mary Law School Scholarship Repository Faculty Publications Faculty and Deans 2019 How Bitcoin Functions As Property Law Eric D. Chason William & Mary Law School, [email protected] Repository Citation Chason, Eric D., "How Bitcoin Functions As Property Law" (2019). Faculty Publications. 1896. https://scholarship.law.wm.edu/facpubs/1896 Copyright c 2019 by the authors. This article is brought to you by the William & Mary Law School Scholarship Repository. https://scholarship.law.wm.edu/facpubs How Bitcoin Functions As Property Law Eric D. Chason* Bitcoin replicates many of the formal aspects of real estate transactions. Bitcoin transactions have features that closely resemble grantor names, grantee names, legal descriptions, and signatures found in real property deeds. While these “Bitcoin deeds” may be interesting, they are not profound. Bitcoin goes beyond creating simple digital deeds, however, and replicates important institutional aspects of real estate transactions, in particular recordation and title assurance. Deeds to real property are recorded in a central repository (e.g., the public records office), which the parties (and the public) can search to determine title. When one grantor executes more than one deed covering the same property, recordation acts (race, notice, and race-notice) determine which grantee wins. The Bitcoin blockchain replicates the public records office, giving anyone with a computer the ability to see any Bitcoin transaction. Bitcoin mining replicates the recording of deeds, a process by which formally valid transactions between two parties become essentially a public record. When one grantor executes more than one transaction covering the same Bitcoin, a miner determines which grantee wins simply by moving one transaction to the blockchain before the others. -
The Legal Status and Regulation of Bitcoin in Australia
The University of Notre Dame Australia ResearchOnline@ND Theses 2017 Future digital money: The legal status and regulation of bitcoin in Australia Chinelle van der Westhuizen Follow this and additional works at: https://researchonline.nd.edu.au/theses Part of the Law Commons COMMONWEALTH OF AUSTRALIA Copyright Regulations 1969 WARNING The material in this communication may be subject to copyright under the Act. Any further copying or communication of this material by you may be the subject of copyright protection under the Act. Do not remove this notice. Publication Details van der Westhuizen, C. (2017). Future digital money: The legal status and regulation of bitcoin in Australia (Master of Laws (Thesis)). University of Notre Dame Australia. https://researchonline.nd.edu.au/theses/160 This dissertation/thesis is brought to you by ResearchOnline@ND. It has been accepted for inclusion in Theses by an authorized administrator of ResearchOnline@ND. For more information, please contact [email protected]. The University of Notre Dame Australia School of Law FUTURE DIGITAL MONEY: THE LEGAL STATUS AND REGULATION OF BITCOIN IN AUSTRALIA Chinelle van der Westhuizen LLB, LLM (University of Pretoria) This thesis is submitted in fulfilment of the requirements of the Degree of Master of Laws by Research 2017 DECLARATION This thesis does not, to the best of my knowledge, contain previously published or written material by another person except where due reference is made in the text, or any material previously submitted for a degree in any higher degree institution. _________________________________ Chinelle van der Westhuizen _________________________________ Date i ACKNOWLDEGEMENTS First and foremost, I thank God for his abundant love and goodness throughout this research period and for Blessing me with the talents to endure such a challenging research project. -
How Do Non-Poaching Agreements Distort Competition? the Rise of The
Advancing economics in business April 2020 TheHow rise do non-poachingof the cryptoexchange giants: whatagreements next for distort trading competition? cryptocurrencies? The rise of the cryptoexchange giants: what next for trading cryptocurrencies? Contact How cryptocurrencies work Helen Ralston Partner Bitcoin and other cryptocurrencies are permissionless forms of blockchain technology that rely on a ‘proof of work’ concept to verify transactions. In such a system, transactions are verified by third parties (commonly referred to as ‘miners’) racing to be the first to solve a unique, complex mathematical problem that is specific to each transaction and the history of preceding transactions. The first miner to solve the problem records the answer in the decentralised blockchain along with Since the inception of Bitcoin over its private key, thereby lengthening the chain. If the network confirms that this is the a decade ago, trading in crypto- correct answer—by other miners also identifying the same solution—the first miner is currencies has exploded. There are rewarded with coins in the system. now thousands of cryptocurrencies and hundreds of cryptoexchanges to Three features of the system make it robust to fraud: first, transactions are verified on a consensus basis (i.e. the majority of the network must agree that the transaction is trade on, of which Binance is by far the correct). Second, the verification (mining) process is time- and energy-intensive and largest. What is the secret of the few intentionally difficult to solve. Third, all transactions are linked, such that if someone big cryptoexchanges, and is the high wanted to change an earlier transaction they would need to redo all the subsequent number of smaller cryptoexchanges mining and do so before the rest of the network approved the next block. -
United States District Court Southern District of Florida
Case 9:18-cv-80176-BB Document 277 Entered on FLSD Docket 08/27/2019 Page 1 of 29 UNITED STATES DISTRICT COURT SOUTHERN DISTRICT OF FLORIDA CASE NO. 18-CIV-80176-Bloom/Reinhart IRA KLEIMAN, as personal representative of the estate of David Kleiman, and W&K INFO DEFENSE RESEARCH, LLC, Plaintiffs, v. CRAIG WRIGHT, Defendant. ___________________________________/ ORDER ON PLAINTIFFS’ MOTION TO COMPEL [DE 210]1 This matter is before the Court on the Plaintiffs’ Motion to Compel, DE 210, and the Court’s Order dated June 14, 2019. DE 217. The Court has considered the totality of the docketed filings, including all pleadings referenced herein and transcripts of all cited court proceedings. As the judicial officer who presided at the relevant proceedings, I retain a current and independent recollection of the events discussed below. I have reviewed all of the exhibits introduced into the record at the evidentiary hearing, including the deposition excerpts filed in the record. See DE 270. Finally, I have carefully considered the arguments of counsel. The Court is fully advised and this matter is ripe for decision. The Court announced its ruling from the bench on August 26, 1 Magistrate judges may issue an order on any “pretrial matter not dispositive of a party's claim or defense.” Fed. R. Civ. P. 72(a). “Thus, magistrate judges have jurisdiction to enter sanctions orders for discovery failures which do not strike claims, completely preclude defenses or generate litigation-ending consequences.” Wandner v. Am. Airlines, 79 F. Supp. 3d 1285, 1295 (S.D. Fla. 2015) (J. -
How Did Dread Pirate Roberts Acquire and Protect His Bitcoin Wealth?
How Did Dread Pirate Roberts Acquire and Protect His Bitcoin Wealth? Dorit Ron and Adi Shamir Department of Computer Science and Applied Mathematics, The Weizmann Institute of Science, Israel {dorit.ron,adi.shamir}@weizmann.ac.il Abstract. The Bitcoin scheme is one of the most popular and talked about alternative payment schemes. It was conceived in 2008 by the mysterious Satoshi Nakamoto, whose real identity remains unknown even though his bitcoin holdings are believed to be worth several hundred million dollars. One of the most active parts of the Bitcoin ecosystem was the Silk Road marketplace, in which highly illegal substances and services were traded. It was run by another mysterious person who called himself Dread Pirate Roberts (DPR), whose bitcoin holdings are also estimated to be worth hundreds of millions of dollars at today's exchange rate. On October 1-st 2013, the FBI arrested a 29 year old person named Ross William Ulbricht, claiming that he is DPR, and seizing a small fraction of his bitcoin wealth. In this paper we use the publicly available record to trace the evolution of his holdings in order to find how he acquired and how he tried to hide them from the authorities. For example, we show that all his income from the months of May, June and September 2013, along with numerous other amounts, were not seized by the FBI. One of the most surprising discoveries we made during our analysis was the existence of a recent substantial transfer (which was worth more than 60,000 dollars when made on March 20-th 2013, and close to a million dollars at today's exchange rate) which may link these two mysterious figures. -
Bitcoin Mining Bitcoin
Bitcoin Mining Explained BITCOIN MINING BITCOIN MINING Bitcoin Mining Explained Copyright © 2018 2 Table of Contents INTRODUCTION 4 WHAT IS BITCOIN MINING? 5 BITCOIN MINING TERMINOLOGY 6 WHY DO PEOPLE MINE BITCOIN? 9 GETTING STARTED MINING 12 TOP HARDWARE FOR BITCOIN MINING 13 WHAT SOFTWARE IS NEEDED? 16 MINING APPS 17 ELECTRICAL COSTS FOR MINING 22 OTHER BITCOIN MINING OPTIONS 23 CLOUD MINING 23 MINING POOLS 23 HOW TO SET UP A BITCOIN MINING OPERATION 25 HOW TO CALCULATE BITCOIN MINING PROFITS 26 RISKS AND REWARDS OF BITCOIN MINING 27 RISKS 27 REWARDS 27 CONCLUSION 29 3 Introduction It is no longer news that the adoption of digital currencies as a means of making payment is rapidly gaining momentum around the world. Bitcoin, which is the first example of the growing category of money known as the cryptocurrency, is the most popular and widely accepted of them all. Bitcoin is a peer-to-peer electronic cash system that was invented by a software developer called Satoshi Nakamoto, and it is currently taking the lead amongst other digital currencies. It is an electronic payment system based on mathematical proof that is created and held electronically. Bitcoin is also a decentralized form of cryptocurrency that is independent of any central authority – meaning, there is no single institution controlling the Bitcoin network. This eBook is going to help you go beyond a basic understanding of Bitcoin and the mining of it. When you are finished reading, you’ll be ready to get started mining Bitcoins today! 4 What is Bitcoin Mining? In traditional fiat currency systems, money is printed by the government and released into circulation whenever it is needed. -
Joel & Greg's Recommended Bitcoin and Crypto Library
Joel & Greg’s Recommended Bitcoin and Crypto Library Whitepapers Bitcoin: A Peer‐to‐Peer Electronic Cash System, by Satoshi Nakamoto (2008) Ethereum Whitepaper, by Vitalik Buterin (2013) Early Articles How Bitcoin Works: A Guide for the Digitally Perplexed, by Richard Bondi (2014) Why Bitcoin Matters by Marc Andreessen (2014) Why I Invested in Bitcoin by Chamath Palihapitiya (2013) Why I’m Interested in Bitcoin by Chris Dixon (2013) Books on the history of bitcoin and ethereum Bitcoin Billionaires: A True Story of Genius, Betrayal, and Redemption, by Ben Mezrich (2019) Digital Gold: Bitcoin and the Inside Story of the Misfits and Millionaires, by Nathaniel Popper (2016) How Money Got Free: Bitcoin and the Fight for the Future of Finance, by Brian Eha (2017) The Infinite Machine: How an Army of Crypto‐hackers is Building the Next Internet with Ethereum, by Camila Russo (2020) Out of the Ether: The Amazing Story of Ethereum and the $55 Million Heist that Almost Destroyed It, by Matthew Leising (2020) Books explaining use of bitcoin and the use money The Age of Cryptocurrency: How Bitcoin and the Blockchain Are Challenging the Global Economic Order by Paul Vigna (2016) The Bitcoin Standard: The Decentralized Alternative to Central Banking by Saifedean Ammous (2018) Cryptoassets: The Innovative Investor's Guide to Bitcoin and Beyond by Chros Burniske (2017) The Internet of Money: A collection of talks by Andreas M. Antonopoulos, volume 1 (2016), volume 2 (2017) , volume 3 (2019) by Andreas Antonopoulos The Little Bitcoin Book by Bitcoin Collective