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Introduction: As internet and communication technologies are getting developed, the commercial transaction is becoming more electronic. This change also brings new approaches to new payment mechanisms like emergence of crypto currencies. They are virtual and digital currencies which can only be used in electronic environment but they are increasingly treated as a new payment and investment tool. Nevertheless, their use has not spread into the general public, yet. At this point, it will better to take the complex nature of the crypto currencies into consideration because it may still lead to some risks for people and the type of the risks perceived by consumers may influence their attitudes toward and intention to use crypto currencies.

Aim: Accordingly, this study attempts to examine the interaction between perceived risk, attitudes toward and intention to use crypto currencies within the context of Bitcoin, as the first crypto currency.

Method: This study was designed as a causal research. The sample of the study was reached by using convenience sampling method and data were collected with survey. The compiled data were tested with Structural Equation Model.

Findings: A statistically significant and negative relationship was found between perceived financial, time and psychological risk and attitudes toward the use of Bitcoin, and a statistically significant and positive relationship was found between attitudes toward and intention to use Bitcoin. The findings of the study are expected to contribute to both relevant literature and practice by explaining the financial behavior of the individuals within the context of perceived risk theory.

This chapter discusses legal considerations relating to digital assets. The legal aspects of tokenized and non-tokenized assets are evolving. Although some states have enacted specific laws or regulations for digital assets, Congress and federal agencies have been slower to craft specific rules and regulations for such assets. As a result, regulators, such as the Securities and Exchange Commission, Commodity Futures Trading Commission, and Internal Revenue Service, and market participants must apply existing guidance to digital assets. This chapter examines applying specific aspects of federal securities and tax law to digital assets. It also discusses general business law considerations for blockchain and cyber enterprises. The discussion of state law applications centers on the New York Virtual Currency License and Wyoming and Delaware crypto initiatives. This chapter does not provide a comprehensive review of all legal issues related to cryptocurrency. Each legal issue about cryptocurrency is complex and requires separate analyses.

This chapter examines some emerging topics and trends as it connects cryptoassets to accounting, auditing, and financial reporting. It discusses the treatment of cryptoassets from a financial reporting perspective under the US and international accounting standards, frequently asked questions about auditing and attestation, and potential best practices for auditing various cryptoassets. It also discusses accounting for now and potential in the future. The chapter outlines how the rapidly changing cryptoasset landscape could lead to differentiated accounting treatment and audit best practices for practitioners seeking to attest to certain aspects of cryptoassets.

Beginning from the onset of the Covid-19 pandemic, crypto assets have intensely been in the spotlight and have attracted significant investor attention. By being the first blockchain product, Bitcoin is the first crypto asset and still dominates the entire crypto market capitalization. In this study, we shed light on whether this energy-hungry crypto asset is an effective tool for portfolio volatility reduction from the perspective of the Modern Portfolio Theory. Based on a two-year period from April 2019 to April 2021, which includes the extreme impacts (crash and rally) of the pandemic on markets, we conclude that Bitcoin is not a beneficial instrument for volatility reduction if short-selling is not allowed. After removing this restriction, Bitcoin has very small negative investment weights in minimum variance portfolios. In other words, short-selling Bitcoin slightly reduces portfolio volatility.

Since the inception of modern portfolio theory, traditional asset classes have been the standard investment products for portfolio construction. With the introduction of cryptoassets such as cryptocurrencies, tokenized securities, smart contracts, and blockchain-based token assets, the crypto “revolution” has created a new asset class for consideration in a modern portfolio. This chapter explains cryptoassets in a portfolio, including their limitations and parameters as an asset class in a diversified portfolio. Finally, it reports an improvement in a new portfolio’s reward/risk ratio using the Sharpe ratio when adding cryptoassets to simulated equity, bonds, and real estate portfolios. A caveat is that a cryptoasset’s contribution to a well-diversified traditional portfolio differs from the performance of investing in a single and isolated cryptoasset.

One aspect of the opportunities and challenges for cryptoassets concerns decentralized finance (DeFi). DeFi is a growing area of cryptoassets that couples blockchain technology, digital assets, and financial services. DeFi is a publicly available system on a decentralized blockchain network, offering financial products and applications. This chapter provides an overview of the DeFi universe that has enormous potential in various industries in the global market. It also discusses the implications of DeFi’s new wave and its applications involving initial coin offerings and stablecoins and specific challenges like the scalability trilemma in DeFi and financial markets.

Technology has changed the future of money. The need to foster innovation in banking has been instigated by a shift from traditional finance provided by incumbents to fintech companies, such as challenger banks and decentralized platforms, offering new forms of money and payments services. The Bank of England has responded to this shift with the exploration of a Central Bank Digital Currency (CBDC), which in its retail form, would give the public the opportunity for the first time to directly hold state central bank money. This CBDC proposal emerges in a landscape where private money such as cryptocurrencies are increasing in capacity of coins and in trading volume; in a crypto economy with an expanding market capital. This competition opens the possibilities to reform banking to adapt to new payments platforms such as blockchains with advanced features such as smart contracts. The proposed design of a CBDC can either compete or complement such innovations which is evaluated in this review chapter. The author argues that the plethora of public and private currencies on the market, once reached legal maturity in terms of governance, can provide the element of choice to consumers in an open, innovative, and competitive free market. The author put forward that the Bank of England must act to introduce a CBDC that is interoperable with innovative payment platforms including blockchains, accompanied by a user centric design, to participate in the ever adapting fintech economy.