Deutsche Bank delivers all banking documents to its customers via a digital mailbox. This mailbox is an important part of the Deutsche Bank "eSafe," which also boasts a highly secure file storage system for personal documents and passwords. You can discover more exciting information about this project in the presentation by Deutsche Bank and DSwiss at Finovate 2018.
UBS offers its customers the "UBS Safe" for storing files and passwords, as well as for transmitting bank documents. At Finovate 2017, UBS and DSwiss provided interesting insight into this digitalization project.