You Probably Don't Need Blockchain

Here's a great article detailing some popular blockchain use cases and how they can be subverted:

https://blog.smartdec.net/you-do-not-need-blockchain-eight-popular-use-cases-and-why-they-do-not-work-f2ecc6cc2129

While reading it, note that there are often other (simpler, cheaper, more mature, more widely known) technologies out there that can solve the problems you're trying to solve.

One big example is the combination of digital signatures with an immutable data store . This captures the identities of the participants, the information provided by the participants and the timestamps of all entries.

Blockchain does have some valid use cases (e.g. cryptocurrency management), but it certainly shouldn't be seen as the best way to solve existing problems.