What math is most useful?

When it comes to the realm of cryptocurrency and finance, which branch of mathematics stands out as the most invaluable tool? Is it calculus, which allows us to comprehend the intricate relationships between variables and their rates of change, essential for modeling market trends and predicting future movements? Or perhaps it's statistics, which provides the framework for analyzing vast amounts of data, enabling us to identify patterns and correlations that might otherwise go unnoticed? Could it be linear algebra, which underpins the complex algorithms that facilitate secure transactions and ensure the integrity of blockchain networks? Alternatively, might game theory offer unique insights into the strategic decision-making processes of market participants? As a seasoned professional in this field, I'm eager to hear your thoughts on which mathematical discipline you consider to be the most instrumental in navigating the ever-evolving landscape of cryptocurrency and finance.