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Blockchain - what is it with simple words



What is Blockchain? In this article we will explain this term in simple words and on clear examples - on apples.


BlockChain in Russian means a chain of blocks. Imagine a ring of a hero. In it, each iron ring is directly related to the others. So in BlockChain technology each block is connected with thousands of others, but unlike a ring, each block interacts with all the others at once.



In fact, the blockchain is a technology for storing data and information about the processing of these data. But, unlike other systems, it has a unique operating principle.


Let's not go into technical details, now it is important for us to understand this principle itself.


It's a simple example. Let's imagine the situation. You and your friends have harvested a crop of apples and take turns approaching the basket. After recalculating your result, you write it down in a book. Imagine? Let's go.


You approached, put your 10 apples in the basket, write it down in your book. Your book with the record will be the first block.


Approaches Katya, rewrites your result in your book, puts your 5 apples in the general basket and also writes down your contribution. Her book is our second block. You recalculate, confirm that everything is correct, and write down the result of Katya in his book. Now everyone has the same actions and the result in 15 apples.


 

The third is Andrei, copying the record of your and Katya's apples, Katya and I check that everything is correct and confirm that everything is correct. Then Andrei puts 15 apples in the basket, writing down his result. You and Katya confirm the correctness and write down in your books. Andrei's book will be the third block in our system.



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So far, everything is simple. All new members rewrite the results of previous ones, make their share, the correctness of the amount confirmed by others and all make changes in their entries.


Thus, everyone has the same information in their books. And this is the first principle of the Blockchain technology - a copy of all data is stored by each member of the system.

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