The main goal of this diploma thesis is to explore the area of virtual currency Bitcoin and assess the use of this currency in today's economy. Thesis first mentions the cryptocurrency market, the technology and other altcoins. It further analyzes the cryptocurrency Bitcoin in detail, its foundation, history and mining. The text also explores the volatility of this currency in the recent years, the question of regulation by states and technological threats to the network. In the final chapter diploma thesis examines the possibilities for individuals to obtain this currency and the use of Bitcoin by enterprises.
Bruno Saboia de Albuquerque, Marcelo de Castro Callado
The objective of this work is to do a briefing about the digital currency named Bitcoins, as well as the general concept behind digital currencies and cryptocurrencies. Such currencies usage and public knowledge is increasing hastily on the last few months.
This work presents an economic analysis of virtual currency and a system of payment known as Bitcoin. From many goals of this work, the main is to answer a question, whether the Bitcoins are to cause revolution at financial markets. To solve this I applied theoretical knowledge of Austrian school on the Bitcoin currency. Given this facts it has turned out, that the nature of Bitcoin truly is revolutionary. However, it would be wrong to assume, that the Bitcoins are to actually spark significant changes in current monetary system. For a better understanding of all circumstances, the development of an exchange and the evolution of money was involved in this work. From an economical perspective, it is obvious, that the Bitcoins certainly are a new kind of currency that flows beside money but also cannot replace it. It is the specificity of the system what creates barriers preventing Bitcoins from becoming more widespread and used more often. The benefits of this thesis lie in a complex economic analysis of Bitcoin currency and a prediction of its future development.
Syftet med denna uppsats är att undersöka Bitcoins egenskaper och funktioner samt diskutera dess eventuella påverkan på dagens ekonomiska system. Den forskning som publicerats på ämnet undersöker främst tekniska och säkerhetsmässiga detaljer, det är därför intressant att analysera ur en ekonomisk synvinkel. Genom att använda makroekonomisk teori ska jag försöka klargöra om Bitcoin kan konkurrera med dagens valutor. Bitcoins volatilitet i värde gör det tvivelaktigt, en volatilitet som inte kan kontrolleras. Bitcoin uppfyller delar av de funktioner och egenskaper som definierar en valuta enligt makroekonomisk teori, men inte lika många som fiatpengar och Bitcoin bör därför inte kunna konkurrera med dagens valutor. Fiatpengar är att föredra även i andra områden som acceptans och säkerhet. Bitcoin är bättre ur ett kostnadsperspektiv, dock under specifika omständigheter som sällan uppfylls. Bitcoin kommer därför tills vidare fungera som ett alternativ betalningssystem och valuta för personer och företag som är villiga att ta de risker som medföljer.
In 2009 Satoshi Nakamoto started the electronic payment system and virtual cash Bitcoin for the first time. Bitcoin has to guarantee some level of security as well as other digital currencies. It's necessary to prevent double- spending or it's required to provide anonymity of payments. The diference between Bitcoin and most of the other virtual currencies is absence of any trusted party which would provide demands mentioned above. In this paper we describe the structure and properties of basic elements of this payment system. In the mean time we explain methods how to deal with the fact that Bitcoin is completely decentralized. The paper gives complex and detailed information which you can find only in official source code of bitcoin client or in many separated and particular articles. 1
A private initiative that has created a virtual currency and a payment system based on cryptography and decentralized management, Bitcoin is considered not only an interesting, but also a disruptive technical innovation by many observers. A number of regulatory and supervisory bodies have issued assessments of the phenomenon, contributing to an emerging international discussion. Does Bitcoin’s claim to provide useful monetary and payment services hold up when checked against principles of monetary theory and the economics of payment systems? We find that while Bitcoin does not rival the established money and payment systems in their traditional domains, a complementary function is conceivable in niches. Using the Bitcoin network poses several risks to customers, however. Since this network and financial services related to bitcoins are not regulated, costumers must take appropriate technical measures to protect their bitcoin holdings. In case of error and fraud, payments are difficult to reverse. Furthermore, the significant exchange rate fluctuations could pose a grave risk to bitcoin owners’ wealth and discourage widespread use for monetary purposes. In a nutshell, at present, bitcoins can be regarded as speculative assets, and the Bitcoin network might inspire further innovation in payment systems and other applications.
Bitcoin has enabled competition between digital cryptocurrencies and traditional legal tender fiat currencies. Despite rapidly increasing acceptance, so far the affirmation of cryptocurrency as better money has been thwarted by dramatic deflationary price instability. Successful at disposing of any central monetary authority, bitcoin has elected to have a fixed deterministic inelastic monetary policy, establishing itself more as digital gold than as a currency. Price stability could be achieved by dynamically rebasing the outstanding amount of money: the number of cryptocurrency units in every digital wallet is adjusted instead of each single unit changing its value. The apparent awkwardness of this unfamiliar paradigm is discussed at length, proving that its only real novelty is about fairness and effectiveness. Furthermore, suggestions are provided about how to ease the effect of contractionary monetary policy. The proposed monetary base adjustment has neutral impact on the overall wallet wealth, as it does not introduce any arbitrary distortion into the intrinsic value dynamics of the wallet. The adjustment is based on a commodity price index determined with a resilient consensus process that does not rely on central third party authorities. It is posited in this paper that a digital cryptocurrency adopting elastic monetary standard is Hayek Money, so named from the Nobel Prize-winning economist: a good money standard providing stable prices for a new economic era.
A virtual currency can be defined as a type of unregulated, digital money, which is issued and usually controlled by its developers, and used and accepted among the members of a specific virtual community. The recent developments in widely spread internet and data mining activities, highlighted the issue of accepting and using virtual currencies for different purposes, including, buying commodities or services, saving, as well as converting into real currencies, such as US dollars, euro or other currencies. One of the most controversial and the most advanced virtual currency scheme to date is the one so-called Bitcoin, designed and implemented by the Japanese programmer Satoshi Nakamoto in 2009. Although the use of Bitcoin might have positive impact on financial innovation and the provision of additional payment alternatives to consumers, it also might increase the risks in financial payments, exchange rates of real currencies, as well as increase the possibility of money laundering, using them for illegal deeds. Therefore , the purpose of this paper to clarify the main characteristic of Bitcoin, and analyze its positive aspects as well as the threats that may occur to the modern world economy , in case the usage of this money , significantly increases .
In January 2009 the Japanese software-designer SATOSHI NAKAMOTO invented a virtual currency named Bitcoin and released software for managing transactions in the new money.It consists solely of bits and bytes, but we cannot see it as a coin or banknote on the market.There is no cover in terms of gold or stocks, for example -in fact, nothing but the source code of the software which consists of thirty-one thousand lines of code.NAKAMOTO wanted to create a currency immune to potentially predatory bankers and politicians and so the currency and the mechanism to acquire Bitcoin were controlled entirely by software.The payment system is completely decentralised and so contains no central organisation which monitors transactions.Many people use this new currency to pay for services or products on the Internet, since it is no less safe than traditional payment systems.In this paper I will first introduce the basic parameters and functions of the alternative currency, and will deal especially with security and privacy issues relating to the virtual money.After that I will examine the value of Bitcoin on the online market, especially answering questions such as how we can acquire it.After this the legal background will be presented and suggestions made for its possible regulation, whilst its likely role in criminal behaviour is suggested.The paper was written in order to stimulate interest in this special, new currency, its working mechanisms, advantages and possible dangers, and because it represents a unique paradigm-shift, not simply in cyberspace, but in real-world payment systems also.
Bitcoin is a new kind of money, which means a digital currency which can be used for commercial purposes. Over time, the trade has evolved from barter to the use of the precious metals as money, then to the coins with intrinsic value and to the symbol coins and later to the use of the electronic money, reaching at present to a virtual currency, created and used through the internet network. Bitcoin promises to its users getting high returns under conditions of low risk arising from transactions carried out instantly, without intermediary bank and almost no fees. At this moment, Bitcoin is still an experimental new currency, but in the future it can offer an alternative to previous costly systems and it can increase online business access to developing countries.
This bachelor's thesis focuses on the digital currency called Bitcoin. The theoretical part discusses the concept of money (its history, issuance, the gold standard, etc.) as well as central banking and local currencies. It also tackles the concept of Bitcoin itself, the way it functions, its advantages and disadvantages and its issuance (so-called mining). The practical part discusses whether or not it is possible to profit through bitcoin mining, by speculating on its relative value to the (US) dollar and if it is possible for Bitcoin to replace traditional payment systems and currencies in the future (or at least prove itself to be a potent competitor).
Zero-knowledge proofs are proofs that are both convincing and yet yield nothing beyond the validity of the assertion being proven. Since their introduction about twenty years ago, zero-knowledge proofs have attracted a lot of attention and have, in turn, contributed to the development of other areas of cryptography and complexity theory.
The worldwide economic recession and the concomitant limited stock of finances have had an influence on the available money of every household and have also inhibited the improvement of socio-economic conditions and medicine. The Reconstruction and Development Programme (RDP) has the objective of improving the living conditions of the people with regard to housing, education, training and health care. The latter seems to be a major problem which has to be addressed with the emphasis on the preventive and promotional aspects of health care. A comprehensive health care system did not come into being property in the past because of the maldistribution of health care services, personnel and differences in culture and health care beliefs and values. The question that now arises, is how to render a quality health care service within the constraints of inadequate financing and resources. A comprehensive literature study has been done with reference to quality health care and financing followed by a survey of existing health services and finances. Recommendations are made about minimum requirements to be accepted if one were to adapt rather than die in terms of the provision of healthcare: the decentralization and rationalization of the administration of health care, the stress on and realization of effective and efficient primary health care, the acceptance of participative management in health providing organizations, the provision of financial management training for health care managers and the application of management accounting principles for the improvement of the efficiency and effectiveness of management.