It is not at all surprising that such new information technologies are expected to be utilized in various financial services, considering that the basic function of finance is information processing. Financial infrastructure, including financial markets and payment systems, efficiently processes large amounts of information.
For example, it is impossible for a single individual to assess the risks and returns of a vast number of projects spreading all over the world. In financial markets, the assessment of projects by many market participants are aggregated and shared in the form of "price," where each participant is able to use the assessment made by many other participants.