"The blockchain potential in financial services is huge, and has several applications which span across payments, capital markets, trade services, investment and wealth management, securities and commodities exchanges.
Blockchain technology can be considered as one of the main drivers to achieve a substantial cost saving.
According to a Santander FinTech study, distributed ledger technology could reduce financial services infrastructure cost between US$15 billion and $20 billion per annum by 2022, providing the possibility to decommission legacy systems and infrastructure and significantly reduce IT costs."
https://www.pwc.com/m1/en/media-centre/articles/blockchain-n...
https://www.wsj.com/articles/the-cost-cutting-potential-of-b...
https://www.businessinsider.com/heres-how-banks-can-save-big...
https://www.globalcustodian.com/settlements-costs-fall-27-bi...
https://www.ft.com/content/b6171016-171f-11e8-9e9c-25c814761...