According to Wikipedia:
After reviewing more than 200 scientific papers citing the term;
"FinTech", a study on the definition of FinTech concluded that "FinTech is a new financial industry that applies technology to improve financial activities. FinTech is the new applications, processes, products, or business models in the financial services industry, composed of one or more complementary financial services and provided as an end-to-end process via the Internet. FinTech can also be considered as any innovative ideas that improve financial service processes by proposing technology solutions according to different business situations, while the ideas could also lead to new business models or even new businesses."
Source: Wikipedia