• Bianca-Ioana NICOLAE ”Carol I” National Defence University



Blockchain;, transactions;, cryptocurrency;, decentralization;, evolution.


With the advent of new technologies and the rising trend of digitalization, the financial sector is being reshaped, evolving, and adapting to improve its efficiency and keep pace with people’s needs. One of the most current technologies that has the potential to develop the financial sector is Blockchain technology. The main idea of this technology is that it is based on a decentralized public registry, which allows transactions to be performed in a secure, efficient way and has several advantages that are not found in the traditional banking system we know. Blockchain and cryptocurrencies could become one of the most important innovations in the financial sector, capable of creating a digital economy, based on decentralization, since they have features that optimize and simplify transactions, without the need for an intermediary, compared to the traditional banking system

Author Biography

Bianca-Ioana NICOLAE , ”Carol I” National Defence University

Born on January 11, 1997, in the city of Constanța, Bianca-Ioana Nicolae graduated Mircea cel Bătrân National College, in 2015. She continued her studies at the National School of Political and Administrative Studies, attended the Faculty of Political Sciences, which she graduated in 2018.

From her passion for technology, she continues the academic development within the National Defense University Carol I, Faculty of Security and Defense, specialization Information Systems.


Ammous, Saifedean. 2018. The Bitcoin Standard, The descentralized Alternative to Central Banking.New Jersey: Wiley.

Antonopolous, Andreas M. 2017. Mastering Bitcoin. Sebastopol: O’Reilly.Auer, Raphael, and David Tercero-Lucas. 2021. ”Distrust or speculation? The socioeconomic drivers of US cryptocurrency investments.” BIS Working Papers. No 951. Bank for International Settlements.

Balan, Rajesh Krishna, and Narayanasamy Ramasubbu. 2009. ”The Digital Wallet: Opportunities and Prototypes.” Research Collection School of Computing and Information Systems (IEEE) 42 (4): 100-102.

Banca Națională a României. n.d. Pozițiile exprimate de către statele europene cu privire la monedele

virtuale. Accessed November 25, 2021.

Bulletin of ”Carol I” National Defence University June, 2022 37 n.d. Securizarea portofelului tău. Accessed November 25, 2021.

Chen, Yan, and Cristiano Bellavitis. 2019. ”Decentralized Finance: Blockchain Technology and the Quest for an Open Financial System.” Stevens Institute of Technology School of Business Research

Paper. doi:

Christian, Conrad, Custovic Anessa, and Ghysels Eric. 2020. ”Long- and Short-Term Cryptocurrency Volatility Components: A GARCH-MIDAS Analysis.” In Alternative Assets and Cryptocurrencies,

by M.Hafner Christian, edited by MDPI, 218. Journal of Risk and financial Management. doi:

Cuthbertson, Anthony. 2021. Crypto market now worth more than top dozen largest banks combined.

Accessed November 14, 2021.

Dragomir, Florentina Loredana. 2016. ”Models of Trust and Reputation in eCommerce.” Acta Universitatis Danubius. Œconomica (Universitară Danubius) 12 (6): 235-242.

Dragomir, Florentina Loredana, Cristian Ștefan Dumitriu, and Alina Bărbulescu. 2021. ”Recommendation

Systems - Modeling Abusive Clauses in E-commerce.” International Conference on Electrical,

Computer, Communications and Mechatronics Engineering. IEEE. 1-4. doi:10.1109/


Dragomir, Florentina-Loredana, Gelu Alexandrescu, and Florin Postolache. 2018. ”Tools for Hierarchical Security Modeling.” eLearning & Software for Education 4: 34-38.

crawler&jrnl=2066026X&AN=129436870&h=pXR3RkPPoKePpS8JNSTcCkJWZh13Pe8tEiel ZO2KApQtYoHRRCWbB26zrG8BrvSATEee8gHQaH7CnQ60aqB6WA%3d%3d&crl=


Erik, Feyen, Frost Jon, Gambacorta Leonardo, Natarajan Harish, and Saal Matthew. 2021. ”Fintech and

the digital transformation of financial services: implications for market structure and public policy.” BIS Papers, July 13, 117 ed.: 53.

Frisby, Dominic. 2014. Bitcoin: The Future of Money? London: Unbound.

Laerte, Peotta, D. Holtz Marcelo, M. David Bernardo, G. Deus Flavio, and de Sousa Jr Rafael Timóteo.

”A formal Classification of internet Banking attacks and vulnerabilities.” International Journal of Computer Science & Information Technology 3: 197. doi:10.5121/ijcsit.2011.3113 .

Martino, Pierluigi. 2021. Blockchain and Banking. Cham: Palgrave Macmillan. doi:https:/ /doi. org/10.1007/978-3-030-70970-9.

Michael, Crosby, Nachiappan, Pattanayak Pradhan, Verma Sanjeev, and Kalyanaraman Vignesh. 2016.

”BlockChain Technology Beyond Bitcoin.” Applied Innovation Revie, Iunie 2: 19.

Miller, Riel, Wolfgang Michalski, and Barrie Stevens. 2002. ”The Future of Money.” The Future of Money. Luxembourg: OECD.

Nakamoto, Satoshi. n.d. ”Bitcoin: A Peer-to-Peer Electronic Cash System.” The Bitcoin Whitepaper. =2ahUKEwivk7iNyOb3AhUh_rsIHfQIA5AQFnoECAMQAQ&url=https%3A%2F%2Fbitcoin.


Osigner, Joanna. 2021. The World’s Cryptocurrency Is Now Worth More Than $3 Trillion. Accessed

November 25, 2021. URL

Renteria, Nelson, Tom Wilson, and Karin Strohecker. 2021. In a world first, El Salvador makes bitcoin

legal tender. Accessed October 20, 2021.

Robertson, Harry. 2021. A third of El Salvador population is actively using bitcoin wallet Chivo, President Nayib Bukele Says. Accessed November 10, 2021.

news/currencies/el-salvador-bitcoin-crypto-chivo-wallet-president-nayib-bukele-2021-06-09/.Bulletin of ”Carol I” National Defence University 38 June, 2022

Stein, Mara Lemos. 2017. ”The Morning Risk Report: Terrorism Financing Via Bitcoin May be Exaggerated.” Wall Street Journal 4. Accessed November 20, 2021.

Stinson, Douglas R. 2005. Cryptography Theory and Practice. Ontario: Taylor & Francis Grou