short essay blockchains

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Each essay should be at least 2 but no more than 4 paragraphs long, and must contain at least one external citation to support your answer. Two paragraphs are approximately 300 words. Cite at least one outside source for each Essay to support your answers.

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Short Essay #1:
Define Blockchain in your own words. Give an example. What are some of the challenges, costs, and potential benefits? Be sure to provide citations to support your answer.

Short Essay #2:
How could a university use blockchain technology? Describe an example where it would be helpful to have a secure, decentralized, unalterable, time stamped system of record keeping? Be sure to provide citation(s) to support your answer.

Sources:

https://blockgeeks.com/guides/what-is-blockchain-technology/