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The development of financial technology has led to the emergence of cryptocurrency as a decentralized digital instrument that enables fast and cross-border financial transactions. While this technology offers efficiency and flexibility in digital financial activities, it also creates opportunities for misuse in various forms of crime, including terrorist financing. This study aims to analyze the use of cryptocurrency as a means of financing terrorist activities in Indonesia, examine the existing legal framework governing terrorist financing, and identify the challenges faced in law enforcement. This research employs a normative legal method using statutory, conceptual, and case study approaches. The findings indicate that the use of cryptocurrency as a medium for terrorist financing still fulfills the elements of a criminal offense as regulated under Law Number 9 of 2013 concerning the Prevention and Eradication of Terrorism Financing. However, the characteristics of cryptocurrency, such as anonymity, decentralization, and cross-border transactions, create significant challenges in the processes of evidence gathering, transaction tracing, and identification of perpetrators. In addition, there is a regulatory gap between the recognition of crypto assets as economic commodities and the supervision of their potential misuse for terrorist financing. Therefore, stronger regulations are needed to explicitly integrate crypto assets into the terrorist financing prevention regime, along with improving the capacity of law enforcement agencies in blockchain transaction analysis and strengthening international cooperation to enhance the effectiveness of law enforcement in the digital economy era.

This Study analyzes the fulfillment of dowry requirements as mutamawwal property according to KHI Articles 30-38 and assesses the suitability of crypto assets as dowry under the positive law regime of the Marriage Law, including its implications for the protection of wives’ rights and legal certainty in the digital era. The research employs a qualititative method with a normative juridical approach through literature study of primary sources (the Qur’an, hadith, KHI, Law No. 1 of 1974, Bappebti and OJK regulations, an MUI fatwas) and secondary sources comparising journals, theses, and dissertations on crypto dowry and maqasid syariah, analyzed descriptively-analitycally and comparatively bertween Islamic law and positive law. The findings that demonstrate that normatively, crypto assets can be classified as valuable property within the KHI framework provided they meet the following criteria: possessing economic value, having clear specifications regarding type and amount, being transferable through legal mechanisms (such as gifts or wallet transfers), and being mutually agreed upon by boh parties. Consequently, they are valid as dowry with the value determined at the time of the marriage contract to minimize the impact or price volatility. However, it still poses potential value disputes, necessitating the strengthening of administrative guidelines at the KUA (office of Religious Affairs) and the enhancement of digital forensic capacty in Religious Courts. The study recommends further harmonization among the KHI, crypto asset regulations, and religious fatwas through the development of technical guidelines for crypto dowries oriented toward mashlahah and the protection of wives’ rights in the 4.0 era.

Cryptocurrency has become a rapidly developing digital asset class that attracts widespread investor interest due to its decentralized, anonymous, and highly volatile nature. Such volatility creates uncertainty in market movements, making it important to understand the factors that drive fluctuations in returns. This research aims to examine how fundamental indicators namely price, trading volume, and market capitalization affect return volatility, as well as to determine which cryptocurrency demonstrates the highest market efficiency based on risk assessment. The study uses panel data covering the five largest cryptocurrencies by market capitalization (Bitcoin, Ethereum, Tether, USD Coin, and Binance Coin) over the period 2019–2023. The analytical methods applied include panel data regression to identify the determinants of volatility and Value at Risk (VaR) to measure asset risk and efficiency. The findings show that price and trading volume positively and significantly increase return volatility, whereas market capitalization exerts a negative and significant effect, indicating its stabilizing role. Based on VaR analysis, Binance Coin (BNB) emerges as the asset with the highest market efficiency. The study concludes that fundamental indicators play a crucial role in shaping volatility and that BNB offers relatively better risk performance compared to its peers.

The rise of financial technology (fintech) has significantly reshaped global investment over the last decade. Fintech innovations are increasingly applied in areas such as digital investment platforms, robo-advisors, blockchain-based assets, and cryptocurrency trading. The adoption of fintech in investment continues to grow due to the rising demand for accessibility, transparency, and efficiency in financial markets. Fintech has the potential to democratize investment by lowering entry barriers, expanding financial inclusion, and offering diverse investment instruments for retail investors. Therefore, research on fintech and investment has become an essential topic in recent years. This study uses a qualitative approach with data obtained from the Scopus database, which includes a total of 4,794 articles on fintech and investment published in the last decade (2020–2025). In addition, several software tools such as R Studio, VOSViewer, and Publish or Perish were used for data processing and bibliometric visualization. This study aims to analyze the development of research trends in fintech-driven investment, explore how technology is changing investor behavior, and provide insights for policymakers and practitioners in strengthening a sustainable and inclusive investment ecosystem.

Over the past 20 years, developments in digital technology have led to the emergence of financial innovation in the form of cryptocurrencies, with Bitcoin being the main pioneer. Bitcoin is a decentralized, blockchain-based electronic payment system that is not controlled by a single financial institution. Although its presence facilitates quick and straightforward cross-border transactions, it also raises ethical and legal issues, especially when taking into account Islamic law, which strongly emphasizes justice, certainty, and the welfare of society. This paper aims to investigate the usage of Bitcoin in modern economic transactions from the standpoint of Islamic and international law. This study investigates Islamic legal sources, the views of Islamic scholars, fatwas (religious decrees), and international laws and regulations pertaining to cryptocurrency assets using a qualitative, normative-empirical methodology. The results show that, although opinions among scholars differ, the usage of Bitcoin is subject to ijtihadiyah (Islamic ijtihad) in Islamic law. Some reject it because of its great volatility and speculative potential, while others allow it as long as it provides advantages and does not include riba, gharar, or maysir (the risks associated with gambling). In terms of international law, Bitcoin is typically seen as a digital asset that has to be closely watched in order to preserve economic stability and deter financial crime. Therefore, balanced legislation is required to guarantee that the usage of Bitcoin is in line with the principles of sharia maqasid and global economic fairness.

This study examines the relationship between market efficiency and digital financial innovation in the context of global financial transformation over the past decade, when fintech, cryptocurrency, and Decentralized Finance (DeFi) have significantly altered price formation and information dissemination mechanisms. The main issue raised is whether the Efficient Market Hypothesis (EMH) theory remains relevant in the face of digital market dynamics characterized by high volatility, speculative behavior, and regulatory uncertainty. The objective of this study is to assess the impact of digital innovation on information efficiency, price transparency, and the stability of modern financial markets. The study used the Systematic Literature Review (SLR) method, examining 15 scientific articles published between 2015 and 2025 from various academic databases. The findings indicate that digital technology increases access and speed of information distribution, but does not always result in consistently efficient markets. Crypto and DeFi markets have been shown to exhibit fluctuating efficiency due to price anomalies, information asymmetry, and weak regulation. Overall, the literature synthesis confirms that market efficiency in the digital era is dynamic and influenced by the interaction between technology, investor behavior, and governance quality. This study concludes that the EMH remains relevant as a basic framework, but needs reinterpretation to suit the complex and rapidly changing characteristics of digital markets.

This study aims to implement an information retrieval system for cryptocurrency data using an attribute-based approach integrated with the Vector Space Model (VSM). The primary objective is to develop a system capable of retrieving the most relevant digital asset information according to specific search attributes, including positive sentiment, price fluctuation, and prediction confidence level. The research adopts a descriptive qualitative method combined with an experimental approach to evaluate the retrieval performance of the cosine similarity algorithm on normalized numerical data. Data preprocessing and attribute weighting were conducted to ensure consistency and improve retrieval accuracy. The experiment demonstrates that the proposed system achieves a Precision@5 value of 1.0, which indicates that all top-five retrieved results are fully relevant to user queries. These findings validate the effectiveness of the attribute-based VSM in analyzing multidimensional cryptocurrency datasets. Overall, this research contributes to the advancement of information retrieval applications in the cryptocurrency domain, particularly for supporting data-driven decision-making and intelligent financial analysis.

The usage of blockchain has increased around the world over the years. It has become widely used in various sectors that need transparency, such as accounting, business, and auditing. Blockchains are gaining more popularity after being applied as a system for digital asset ownership, such as cryptocurrency and NFTs (Non-Fungible Tokens). This growing trend of blockchain is followed by the increasing trend of research regarding it in the last decade. Blockchain has the potential to revolutionize the auditing sector and enhance economic accountability due to its decentralized system. Therefore, research regarding blockchain applications in auditing is becoming an important topic. This study adopts a qualitative approach by using datasets retrieved from the Scopus website, from the search result of blockchain auditing, with a total of 1228 articles that were published in the last decade (2015-2025). Furthermore, this study also uses several software programs as data processing tools, such as R Studio, VOSViewer, and Publish or Perish. This study aims to understand the research trend regarding blockchain auditing in the last decade and highlight its implications for the auditing and economic sectors.

This study maps the regulatory landscape of financial technology (fintech), focusing on cryptocurrency regulation at both global and Indonesian levels. Cryptocurrency, one of the fastest-growing fintech instruments, functions as a virtual currency secured by cryptography. Despite lacking physical form, it is widely used for investment, transactions, and speculation, with trust supported by blockchain’s transparency and immutability. However, regulatory frameworks remain fragmented across countries. The research applies a bibliometric approach, using Bibliometrix (R Studio) for descriptive analysis and VosViewer for keyword network visualization. Data were retrieved from Scopus with the keywords “cryptocurrency regulation” and “fintech regulation,” covering 2016–2025. Findings reveal 1,178 documents from 484 sources, contributed by 4,693 authors, with an average of 7.43 authors per document and an international collaboration rate of 24.79%. The annual growth rate reaches 44.31%, with an average of 14.01 citations per document. Keyword analysis identifies four main clusters: financial regulation, green finance and sustainability, decentralized finance (DeFi), and blockchain cybersecurity. This study provides a knowledge map of regulatory evolution from conventional finance to blockchain-based fintech, offering insights for academics, regulators, and industry to balance innovation, consumer protection, and financial stability.

This research analyzes the fundamental conflict between state regulation and Sharia principles regarding cryptocurrency in Indonesia, aiming to explore the views of Islamic scholars and the legal perspective in the Qur'an and its interpretations. Cryptocurrency has become a popular investment trend, especially among the youth. While the Bank Indonesia (BI) prohibits its use as a legal payment instrument, its trading activity is legalized as an investment asset under the supervision of OJK and BI. Conversely, the MUI Fatwa and the majority of scholars declare crypto transactions as forbidden (haram) due to the presence of elements prohibited in Islamic economics: riba (usury) and gharar (uncertainty). Gharar is linked to the extreme price volatility that encourages speculation (maysir) and the non-physical nature of crypto. Riba, on the other hand, is associated with the potential for unfair profit in lending and staking mechanisms. This prohibition is rooted in the interpretation of the Qur'an (QS. Al-Baqarah: 275 and QS. An-Nisa: 29), which strictly forbids riba and consuming others' wealth through bathil (unlawful) means. Consequently, although legally accepted as an investment asset, many scholars view crypto as violating the principles of justice and transparency in Islamic economics.

This literature review investigates the influence of fair value accounting (FVA) on enhancing financial transparency, particularly within the evolving context of digital assets. By analyzing 103 peer-reviewed articles, the study evaluates how FVA facilitates automated, real-time, and market-based disclosures. It identifies FVA as a tool for increasing investor trust and improving the clarity of financial statements by aligning valuations with current market conditions. The review also highlights the specific challenges of applying FVA to decentralized and volatile digital assets such as cryptocurrencies and non-fungible tokens (NFTs). Although FVA contributes to more transparent and relevant reporting, the implementation of FVA for digital assets is hindered by several critical issues. These include inconsistent valuation methodologies, lack of standardized regulatory guidance, susceptibility to market manipulation, and technological limitations in tracking asset value across decentralized platforms. Furthermore, the rapid pace of innovation in digital finance outstrips the adaptability of existing accounting standards and legal frameworks, creating a gap that weakens the consistency of fair value assessments. The review proposes the integration of FVA within a broader theory of decision-making under uncertainty, emphasizing the need for adaptive and digitization-responsive accounting practices. It suggests practical frameworks that align valuation procedures with the unique characteristics of digital assets while ensuring compliance with emerging regulations. This research encourages ongoing examination and policy innovation to ensure that FVA continues to support transparency and informed decision-making in a dynamic financial landscape.

This study aims to analyze the impact of the Russian invasion of Ukraine on February 24, 2022, on the Indonesian capital market, particularly on the stocks listed in the LQ45 index, as well as on exchange rates and cryptocurrency trading volumes. The research employs a quantitative approach using an event study method, focusing on a 15-day observation window—comprising 7 days before, the day of, and 7 days after the invasion event. The variables analyzed include abnormal return (AR), trading volume activity (TVA), exchange rates, and cryptocurrency transaction volume. The research sample consists of issuers listed in the LQ45 index and the three largest cryptocurrencies by market capitalization—Bitcoin, Ethereum, and Tether (USDT)—selected through purposive sampling. The findings indicate that the Russian invasion of Ukraine had a significant impact on abnormal returns and trading volume activity of LQ45 stocks, as well as on exchange rates and cryptocurrency trading volumes. This geopolitical event emerged as an external factor contributing to market uncertainty, prompting investors to adjust their investment strategies in both stock markets and digital assets. These findings confirm that global conflicts are closely linked to the dynamics of domestic financial markets.

The rapid development of digital technology and the increasing complexity of financial products, from digital wallets and bank loans to cryptocurrency and investment platforms, highlight the urgent need for financial literacy education, particularly for vocational high school (SMK) students in Indonesia. Many SMK graduates directly enter the workforce or pursue entrepreneurship without attending university, making financial decision-making skills crucial. This article explores the potential of Android-based e-books as an innovative and accessible learning medium to enhance students’ financial literacy. Designed to be interactive, contextual, and engaging for Gen Z learners, the proposed e-book serves as a pedagogical supplement, not a replacement, to classroom teaching. Drawing from literature reviews, examples of existing apps, and relevant educational frameworks, the article emphasizes the importance of developing localized, curriculum-aligned digital resources. The paper concludes with suggestions for evaluating financial learning apps and recommends steps for integrating them effectively into SMK education.

This study analyzes state-sponsored cryptocurrency theft, focusing on the Lazarus Group affiliated with North Korea, within the framework of contemporary hybrid warfare strategy. Employing a qualitative case study approach, the article explains how systematic and large-scale crypto asset theft conducted by Lazarus Group serves not only financial motives but also functions as a strategic tool to evade international sanctions and fund North Korea’s nuclear programs. The research finds that such cybercrimes reflect high-ambiguity, non-conventional tactics key features of hybrid warfare. This study expands the traditional concept of hybrid warfare by incorporating digital financial crimes as instruments of state geopolitical strategy. It further highlights the importance of international collaboration and strengthened cybersecurity policy to address increasingly complex digital-era threats.

Cryptocurrency in Indonesia has begun to develop and is starting to be widely used by businessmen in Indonesia. This is a phenomenon given the need for accounting treatment for cryptocurrency transactions. This research seeks to explore and test cryptocurrency and blockchain technology with the approach and review of PSAK in Indonesia and focuses on accounting treatment for cryptocurrencies in Indonesia. The purpose of this study is to conduct an accounting study for cryptocurrencies based on PSAK that applies in Indonesia. The study used a review literature model to figure out accounting for cryptocurrencies.

Cryptocurrency has become a new trend in the world of digital finance, but its adoption is still limited among the public. This study aims to analyze the effect of perceived benefits and trust on cryptocurrency purchase intention among students of Bina Sarana Informatika Margonda University. A quantitative approach was used by distributing questionnaires to student respondents. Data processing uses the SPSS 25 application and data analysis is carried out by testing validity, reliability, classical assumptions, multiple linear regression, hypothesis testing and the coefficient of determination. The results showed that partially perceived benefits had no effect, while trust was proven to have an influence. Simultaneously, perceived benefits and trust affect cryptocurrency purchase intention. The findings imply the importance of increasing understanding of the benefits and building public trust, especially students, in cryptocurrency to encourage the adoption of this technology. This research also highlights the need for further education on the potential and risks of cryptocurrencies, as well as the development of supportive regulations to increase trust and adoption among students and the general public

The implementation of Islamic economics in the modern financial system is an effort to create an economic system that is fair, transparent, and sustainable, based on the principles taught in the Qur'an and Sunnah. The main principles of Islamic economics, such as the prohibition of riba (interest), fairness in transactions, zakat, the prohibition of gharar (uncertainty), and the balance in wealth distribution, provide a strong foundation for the formation of a more inclusive and social economic system. However, its implementation in the era of globalization faces various challenges, such as the lack of uniformity in Islamic legal standards across countries, differences in legal interpretations, and the integration of new technologies like fintech, blockchain, and cryptocurrency, which often conflict with Islamic principles. One solution that can be pursued is the development of Sharia-compliant digital financial products that adhere to the principles of fair and transparent transactions. On the other hand, Islamic financial institutions need to improve operational efficiency and strengthen the Sharia Supervisory Board (SSB) to ensure that financial products are in line with Sharia principles. Education and training in Islamic economics are also key to building a better understanding and accelerating the adoption of Islamic economic principles in the global financial system. Through close collaboration between Islamic financial institutions, regulators, and educational institutions, it is hoped that Islamic economics can provide a more ethical and sustainable alternative in the international market.

This study aims to analyze cryptocurrency investment models in relation to the prevention of money laundering (Anti-Money Laundering/AML) activities. Cryptocurrency, as a growing form of digital investment, has garnered attention from regulators due to its potential money laundering risks. This paper explores preventive strategies that can be implemented within cryptocurrency investment systems, including the use of blockchain technology, KYC (Know Your Customer) procedures, and international regulations such as the Financial Action Task Force (FATF) guidelines. Through a qualitative method based on literature review and policy analysis, the study identifies investment models that can minimize money laundering risks while maintaining profitability for investors. These findings provide insights into the challenges and solutions in developing a safer cryptocurrency investment system that complies with AML regulations.

This qualitative literature review examines the impact of tax policies on cryptocurrency exchange preferences within the context of evolving regulations. With the rapid growth of the cryptocurrency market, understanding the relationship between tax regulations and user behavior has become crucial. This study synthesizes findings from various research articles, highlighting how clear and transparent tax policies can influence user engagement and compliance in cryptocurrency trading. The review reveals that uncertainty regarding tax obligations often leads to user avoidance of cryptocurrency exchanges, while a better understanding of tax responsibilities correlates with more proactive investment management. Furthermore, the analysis indicates that cryptocurrency platforms demonstrating transparency in tax handling are preferred by users. The findings emphasize the necessity for governments to develop supportive tax frameworks and educational initiatives to facilitate healthy growth in the cryptocurrency sector. Overall, the research underscores the importance of regulatory clarity in fostering user trust and participation in cryptocurrency exchanges, ultimately contributing to a more robust and sustainable market.

This study aims to find out what are the forms of modes in the crime of Money Laundering Using Illegal Cryptocurrency Media  as well as Criminal Law policies in an effort to overcome the occurrence of Money Laundering Crimes through  illegal Cryptocurrency  Media. To answer the above problems, this Research Method uses the Normative Law research method which focuses on research on written regulations or legislation or research based on rules or norms that apply in society. The results of the discussion in this study show that, (1)  The mode of operation used by the perpetrators in the crime of money laundering through Cryptocurrency media  is by trading and investment methods along with several other methods. The perpetrators take advantage of the transaction system on cryptocurrencies that are closed or anonymous so that the perpetrators get an opening to launch criminal acts. 2) Even with existing legal regulations, there are still criminal acts, especially TPPU which are carried out through  illegal cryptocurrencies, so it is better for the government to make rules or make legal updates on how to process related to Money Laundering Crimes using cryptocurrencies which include crypto platforms, both legal and illegal.