Which statement is an example of a typical blockchain use case today?

Select the correct answer, then select Conifrm.

A consortium of medical device companies and hospitals are tracking their physical devices across the supply chain using a distributed ledger that is updated real$-$time and visible to all parties in the consortium.

Two siblings use a mobile payments app to reimburse each other in US dollars when they don't have physical cash to tip at restaurants.

Everything that Sally does on her phone is automatically backed up to a cloud server.

An automated machine takes items off of shelves in an industrial warehouse.