Blockchain - self-regulating system

Let's assume that Andrey decided to give 5 of his apples to Kata and loudly announced it to all the gathered. Everybody feverishly began to look for in their notes how many apples Andrew had, to count how many will remain. Who will be the first to solve this problem announces to everyone that everything is right, Andrey has enough apples and he even has 10 more. All the others check their records and say - that's right! And everybody writes this operation in their books (remember this smart guy who was the first to solve the example, we will talk about him again).

Katya received 5 apples from Andrey and everyone confirmed this fact.

The same happens with the number of Katiny apples. Someone found the fastest how many apples she had and how many now and announced it to everyone! Everybody said again - that's right! And made entries in their books.

And this is the second important principle of the system - all operations are transparent and can be checked by all participants.

And finally, there is a "sent Cossack" who has the same book, but it says that he has collected and already gave his 50 apples, Andrew - only 5, and you - only one.

The Cossack who was sent back

You and all other participants check your records and say that this is not true and send this "Cossack" to the farm to catch butterflies.

And this is the third important principle - such system cannot be hacked or changed. This will require changes to the books of most participants to the comma, so that they do not notice anything and do not periodically compare their entries with records in other books.

Have you noticed the main difference in the organization of such a system? It has no main information keeper and no main controller. That is, over the participants of the system is not a man with a barn book, where he slowly and reluctantly makes notes on the harvest or transfer of apples to another person. The system is self-regulating with the help of all participants.

I hope it became a little clearer and now the same thing, but in terms accepted.

Blockchain is a universal tool for building various databases, which has the following advantages:

Decentralization. There is no main storage server. All records are stored by each member of the system.

Complete transparency. Any participant can track all transactions that took place in the system.

Privacy. All data is stored in encrypted form. A user can track all transactions, but cannot identify the recipient or sender of information if they do not know the wallet number. Transactions require a unique access key.

Reliability. Any attempt to make unauthorized changes will be rejected due to inconsistency with previous copies. Legal data alteration requires a special unique code issued and confirmed by the System.

Compromise. Data, which are added to the system, are checked by other participants. In smart words, they recalculate the hash. (A separate article is devoted to hashing, but in fact they count apples using complex mathematical formulas).

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