There are a lot of misconceptions about reasons for using a blockchain, and there are very good reasons to use it.
To help you better understand when best to use a blockchain the scheme below does give you some insight.
Martijn Bolt explains on his website (in Dutch) the blockchain as a large ledger. We rely on several different ledgers, which together make up the infrastructure that we use daily. As such, ledgers are lists that do nothing more then record data. The blockchain is one sophisticated ledger, distributed and open for everyone to use. In this way ownership can be recorded and digitally transferred. Using the blockchain the transfer of ownership can be done in a reliable way, when there is no trusted party. (http://www.watisblockchain.nl/index.php)
There are good reasons and bad reasons to use a blockchain. Andrew Lewis, a bitcoin and blockchain industry expert, attempts to break down some of the more misunderstood questions circulating among institutions seeking to adapt a distributed blockchain for alternative uses. (http://www.coindesk.com/want-use-blockchain/)
Also Bart Roorda, a Dutch software developer, gives a good overview of what the blockchain is.
In case you would like to further discuss the opportunities of the blockchain or potentially develop a proof of concept, Mazeus has the knowledge and resources to help. Please reach out to us to further discuss. http://blockchain.mazeus.eu/contact.html