Yes - there are many many use cases for a blockchain / decentralized ledger.
The financial sector is usually the first to take in a technology because margins are high and there is room for disruption -- plus the market sizes are usually larger...but here are two of the many other use cases (run by female founders!):
Everledger is a South-African/UK company with deep experience in gem certification that uses hi-tech photography to record unique identities of diamonds, search databases for their authenticity, then use the bitcoin blockchain to store a "smart contract" forever...so that no two people can "own" the same diamond. This also will unlock these diamonds for insurance and asset-financing.
Stem is a US team that were Music Producers and Managers and is creating a way to put copywritten information on the bitcoin blockchain to unlock revenue streams