History, Money and Tomorrow

Throughout history, every transformative era — the Renaissance, the Industrial Revolution, and beyond — has been driven by groundbreaking advancements in economics and finance. Now, in the past 25 years, we stand at yet another turning point as artificial intelligence reshapes the financial landscape, redefining how we trade, invest, and interact with money.

In the last quarter-century, we’ve witnessed a dramatic shift from traditional banking to digital currencies and AI-powered financial systems. Traditional banking, which has been the societal norm since industrialization, has evolved into a more advanced system where services like accepting deposits and lending money, once conducted physically, are now almost exclusively carried out in the digital space.

The internet, born in 1983, was the quiet catalyst. It allowed banks to step online, but it was the rise of online-only banks like NetBank and Egg in the late 90s that started it. These digital-first players catered to early adopters, offering features like online account opening and real-time transactions, often with lower fees. Traditional banks, seeing the writing on the wall (and the cash flowing to their digital rivals), quickly got with the program. By 2000, 80% of U.S. banks offered e-banking services. The revolution had begun. E-banking services reduced the need for physical branches, lowering operational costs. 24/7 banking and payment services revolutionized consumer credit and business. This also enhanced security by enabling encryption and other measures to protect customer data.

While online banking revolutionized traditional finance, the 2008 financial crisis exposed deep flaws in the system, leading to a loss of trust in banks and financial institutions. This crisis set the stage for the emergence of decentralized digital currencies. In 2009, Bitcoin, created by the pseudonymous Satoshi Nakamoto, introduced a financial system that operated without central authorities, offering an alternative to traditional banking.

Unlike traditional currencies controlled by governments and banks, Bitcoin functions on blockchain technology, ensuring transparency, security, and independence from financial intermediaries.

As awareness grew, alternative cryptocurrencies like Ethereum and Litecoin emerged between 2013 and 2015, expanding the crypto ecosystem. Despite challenges such as price volatility and regulatory scrutiny, this period laid the foundation for Decentralized Finance (DeFi), later redefining global financial systems.

These developments, combined with the growth of generative and large language model (LLM)AI systems between 2015 and 2025, allowed various benefits in the realm of finance. Firstly, LLM AI can comb through massive amounts of data to identify unusual transactions and patterns, flagging potential fraud and even analyzing creditworthiness with unprecedented accuracy. While machine learning and neural networks have been around for years, they’re now supercharged by large language models, allowing them to make sense of vast amounts of previously indecipherable data. Imagine your bank’s AI noticing you, a lifelong Mumbai resident, suddenly attempting a $5,000 transfer to an obscure account in a country you’ve never visited at 3 AM. While a human might miss that anomaly in a sea of transactions, AI flags it instantly, potentially saving you from financial disaster. This isn’t just theory; AI-driven systems in banking reduced unauthorized transactions by 30% in 2023, and fraudulent account openings dropped by 26% after financial institutions deployed these smart verification tools.

Generative AI lowers barriers for quantitative investors, boosting market liquidity while enhancing banking efficiency. AI also executes high-frequency trades at speeds impossible for humans while predicting stock movements using historical data. It streamlines customer service, automates transactions, and improves fraud detection, credit assessments, and compliance. It personalizes financial services, offering tailored investment strategies and loan options. McKinsey estimates that generative AI could contribute $200-$340 billion annually to the global banking sector through productivity gains alone. While it increases productivity, concerns about data privacy, algorithmic bias, and regulation highlight the need for responsible usage.

The future of finance is forever changed with the introduction of AI, and the financial services industry, which invested $35 billion in AI in 2023, is expected to benefit from the boost in productivity and cost reduction.

However, this technological leap isn’t without its problems. The sheer speed and accuracy of AI predictions, combined with its capacity for rapid-fire execution, introduce serious risks to market stability. AI-driven trading, operating at speeds impossible for human intervention, can dramatically amplify market volatility. This means phenomena like “flash crashes,” where markets plummet thousands of points in minutes, not hours or days, only to recover almost as quickly.

This happens because when countless algorithms are all designed to react to similar market signals, they can act in unison, creating powerful, almost instantaneous, feedback loops. A slight dip or rise can trigger a cascading chain reaction of automated buy or sell orders, rapidly destabilizing entire markets within moments.

Adding to this complexity is the inherent opacity of many advanced AI systems. They often operate as “black boxes.” This means when you feed the AI data (the input), and it spits out a decision or a prediction (the output). Yet, what happens in between remains largely a mystery. We can’t easily trace the millions of complex calculations, neural network layers, and millions of data interactions that lead to its conclusions. This lack of transparency creates significant challenges for regulators and financial institutions attempting to audit, understand, or even predict the AI’s behavior. Without insight into its internal logic, rectifying errors, identifying biases, or holding systems accountable becomes incredibly difficult, leading to unpredictable and potentially severe unintended consequences, especially during high-stress market crises with it being very challenging to backtrack and check AI. AI is rapidly reshaping finance. Can regulations keep pace, ensuring stability while fostering innovation, or will the pursuit of new tech outrun risk mitigation?

SANAT RAMANATHAN, Age 15

UWCSEA Singapore