What are some general applications of Blockchain?

[sagipl]

The most basic use of blockchain technology is as a medium for sending/receiving digital money and performing other online transactions in a secure and reliable manner. Other possible applications include identity verification, supply chain authentication, decentralization of healthcare databases, real estate smart digital contracts, insurance tracking, cloud data storage, etc.

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[Peytonn]

Is it actually a good idea to work with something like that? It just doesn't seem reliable to me at all.