the United States’s
fintech industry,
in focus.

Mobile Payments Adoption Barriers

20.6% of this theme group

Researchers examine obstacles and determinants affecting the uptake of mobile payment solutions.

Mobile payment (125) · Payment (101) · Cash (23) · Mobile phone (16)

Determinants of Mobile Payments: An Empirical Analysis

Mobile Payments at the Retail Point of Sale in the United States: Prospects for Adoption

Financial Crime Detection Challenges

18.9% of this theme group

Papers discuss difficulties in identifying money laundering and fraud using current analytical methods.

Money laundering (27) · Audit (15) · Compliance (17) · Financial fraud (8)

Graph Computing for Financial Crime and Fraud Detection: Trends, Challenges and Outlook

A Systematic Review of Machine Learning in Credit Card Fraud Detection Under Original Class Imbalance

FinTech Inclusion and Regulation

17.7% of this theme group

Studies highlight tensions between expanding financial inclusion through technology and existing regulatory frameworks.

Financial services (95) · FinTech (57) · Financial inclusion (33) · Financial regulation (9)

FINANCIAL INCLUSION THROUGH TECHNOLOGY: A REVIEW OF TRENDS IN EMERGING MARKETS

Digital Banking and Fintech Disruption: A Systematic Review of Financial Innovation

High‑Frequency Trading Impacts

14.4% of this theme group

Works explore how algorithmic and high‑frequency trading affect market dynamics and stability.

Algorithmic trading (55) · High-frequency trading (48) · Trading strategy (25) · Electronic trading (13)

High-Frequency Trading and Its Impact on Markets

High-Frequency Trading: <i>Implications for Markets,</i><i>Regulators, and Efficiency</i>

Payment Systems in Healthcare

12.8% of this theme group

Analyses focus on inefficiencies and reform needs within medical payment and reimbursement structures.

Payment (111) · Payment system (52) · Health care (26) · Reimbursement (19)

Reforming the Primary Care Physician Payment System

Payment and Delivery-System Reform — The Next Phase

Portfolio Optimization Limits

10.8% of this theme group

Research questions the feasibility of optimal portfolio construction under realistic forecasting constraints.

Portfolio (94) · Portfolio optimization (37) · Modern portfolio theory (26) · Diversification (17)

In Defense of Portfolio Optimization: What If We Can Forecast?

Risk minimization and portfolio diversification

Insider Trading Legal Issues

4.8% of this theme group

Papers address legal complexities and enforcement challenges surrounding insider trading activities.

Insider trading (42) · Insider (17) · Alternative trading system (23) · Securities Exchange Act of 1934 (8)

Information, Privilege, Opportunity, and Insider Trading

The Law of Insider Trading: Legal Theories, Common Defenses, and Best Practices for Ensuring Compliance

Algorithmic Trading Liquidity Risks

26.8% of this theme group

Authors caution that automated trading may erode market liquidity and increase systemic vulnerability.

Algorithmic trading (52) · High-frequency trading (37) · Trading strategy (18) · Market liquidity (20)

Computerized and High‐Frequency Trading

Banking and Trading

Mobile Money Inclusion Risks

15.5% of this theme group

Studies warn of transaction‑cost and security concerns that could hinder mobile payment expansion.

Mobile payment (44) · Payment (28) · Financial inclusion (16) · Mobile banking (5)

Risk Sharing and Transactions Costs: Evidence from Kenya's Mobile Money Revolution

Innovations in emerging markets: the case of mobile money

Portfolio Allocation Uncertainty

15.3% of this theme group

Research highlights the difficulty of reliably optimizing asset mixes amid stochastic market conditions.

Portfolio (56) · Portfolio optimization (28) · Diversification (15) · Asset allocation (12)

Stochastic optimization of retirement portfolio asset allocations and withdrawals

An Experimental Examination of Portfolio Choice

FinTech’s Complex Inclusion Effects

13.3% of this theme group

Works caution that fintech interventions may produce unintended consequences for financial inclusion and equity.

Financial services (32) · FinTech (20) · Financial inclusion (21) · Big data (7)

The Complex Implications of Fintech for Financial Inclusion

Leveraging Fintech for Sustainable Development in Emerging Economies – A Policy Perspective

Bias in Fraud Detection Models

12.6% of this theme group

Papers point out ethical and accuracy issues arising from biased machine‑learning approaches to fraud detection.

Financial fraud (6) · Computer security (9) · Audit (6) · Accounting (5)

Artificial Intelligence, Machine Learning, and Bias In Finance: Toward Responsible Innovation

A Review on Financial Fraud Detection using AI and Machine Learning

Digital Currency Adoption Concerns

10.3% of this theme group

Analyses raise questions about stability, governance, and consumer protection in cryptocurrency ecosystems.

Payment (32) · Digital currency (9) · Cryptocurrency (9) · Virtual currency (5)

Bitcoin: Economics, Technology, and Governance

Digital Payment and Its Discontents

Prospective Payment System Reforms

6.2% of this theme group

Researchers advise careful evaluation of payment reforms to avoid unintended cost and quality impacts.

Prospective payment system (9) · Payment (23) · Payment system (10) · Reimbursement (6)

Strategic Patient Discharge: The Case of Long-Term Care Hospitals

The Medicare hospice payment system: a consideration of potential refinements.

Advanced Portfolio Optimization Techniques

29.8% of this theme group

Opportunities focus on leveraging machine learning and econometric methods to improve portfolio construction.

Portfolio (763) · Portfolio optimization (448) · Modern portfolio theory (90) · Econometrics (185)

Machine Learning and Portfolio Optimization

An Entropy-Based Approach to Portfolio Optimization

Graph‑Based Financial Fraud Detection

20.1% of this theme group

Papers explore scalable graph analytics and explainable AI for more effective fraud identification.

Financial fraud (54) · Graph (55) · Database transaction (105) · Computer security (96)

Fraud Detection using Machine Learning

Advancing Financial Security with Scalable AI: Explainable Machine Learning Models for Transaction Fraud Detection

Machine‑Learning‑Enhanced Trading Strategies

14.5% of this theme group

Research investigates how AI can boost algorithmic and high‑frequency trading performance.

Algorithmic trading (177) · Trading strategy (145) · High-frequency trading (80) · Pairs trade (40)

Algorithmic Trading Strategies: Leveraging Machine Learning Models for Enhanced Performance in the US Stock Market

Extracting the multi-timescale activity patterns of online financial markets

Secure Mobile Payment Ecosystems

13.8% of this theme group

Studies aim to strengthen trust and user adoption through improved security and reliability of mobile payments.

Mobile payment (184) · Payment (233) · Payment system (48) · Marketing (30)

An Empirical Study of the Impacts of Perceived Security and Knowledge on Continuous Intention to Use Mobile Fintech Payment Services

Assurance on the reliability of mobile payment system and its effects on its' use: An empirical examination

FinTech for Financial Literacy

11.0% of this theme group

Works propose using digital tools and big data to raise financial awareness and inclusion.

Financial services (145) · FinTech (95) · Financial inclusion (67) · Financial literacy (29)

The Future of Finance: Fintech and Digital Transformation

The integration of big data in finTech: Review of enhancing financial services through advanced technologies

AI‑Driven Credit Risk Modeling

5.8% of this theme group

Papers highlight deep learning and reinforcement methods to enhance credit scoring and default prediction.

Credit risk (41) · Loan (23) · Gradient boosting (11) · Default (6)

A Dynamic Credit Risk Assessment Model Based on Deep Reinforcement Learning

Leveraging artificial intelligence and machine learning for next-generation credit risk assessment models

Enhanced Credit Card Fraud Detection

5.1% of this theme group

Research focuses on novel machine‑learning frameworks to improve detection of credit‑card fraud.

Credit card fraud (122) · Credit card (108) · Computer security (34) · Database transaction (32)

An improved machine learning technique for credit card fraud detection

Enhancing Credit Card Fraud Detection: A Machine Learning Framework

New York City

36.2% across the displayed hubs

171 companies hiring · $48.9B disclosed funding

San Francisco

21.4% across the displayed hubs

125 companies hiring · $77.7B disclosed funding

Los Angeles

9.3% across the displayed hubs

30 companies hiring · $7.7B disclosed funding

Miami

7.6% across the displayed hubs

38 companies hiring · $4.4B disclosed funding

Chicago

7.5% across the displayed hubs

40 companies hiring · $8.3B disclosed funding

Austin

7.4% across the displayed hubs

35 companies hiring · $5.9B disclosed funding

Atlanta

5.7% across the displayed hubs

36 companies hiring · $12.3B disclosed funding

Boston

4.9% across the displayed hubs

23 companies hiring · $5.9B disclosed funding