Blockchain seems complicated, and it definitely can be, but its core concept is really quite simple. A blockchain is a type of database. To be able to understand what blockchain is and its database as well, you need to first understand what a database actually is.
A database can be described as a collection of data and information that is electronically stored on a Computer. The information stored in this database is normally integrated into a table format so as to make it easier when filtering and searching for particular information.
Many might say, Spreadsheets and databases are the same. Hold on, I'll explain further.
Unlike a database, Spreadsheets are specifically designed for a small group of people or one person as the case may be. Since they are not designed for a large audience, they can only store and access limited information and data. Conversely, a database is specifically designed to accommodate a larger amount of information that can be filtered, accessed, and handled by a larger audience at once.
However, for a large database to achieve this goal, it needs to be operated from servers made of powerful computers. This isn't an easy thing, most times these servers are built using hundreds of computers in an attempt to have the computational storage and power capacity needed for a large audience to access the database at the same time.
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