Movie that can understand "Block Chain" in 2 minutes

Virtual currency "Bitcoin (bit coin)Technology that has become widely known to the world by "Block chain"Is rapidly progressing rapidly, including financial institutions, as a mechanism to make data falsification impossible by distributing data to computer scattered throughout the world. A movie that can understand what block chains are like in just 2 minutes "Understand the Blockchain in Two Minutes"You can feel the convenience and promise of the block chain.

Understand the Blockchain in Two Minutes - YouTube


When you vote in the election ... ...


I can not find out if my votes are counted or whether the votes are left untouched.


Even if you get acquainted with others on the internet ...


I do not know if that person is the "exact" person I am thinking.


Fair TradeEven if I purchase certified coffee beans ......


It is difficult to ascertain whether profits are really being returned to people in developing countries.


In order to solve these questions, we need a system to ensure safety and fairness.


It is necessary to have a mechanism that can track and verify the status of transactions that everyone can not do. And since this tracking and surveillance needs to be done at any given moment, it is obvious that it will cost a great deal of cost to ensure the reliability of the transaction.


"Block chain" is a system that can realize the safety of trading difficult to realize without such a high cost with software.


In the block chain, information is communicated and shared via a personal computer connected via a network.


Since the block chain (right) connects the computer to the mesh of eyes, it is not a centralized mechanism in which the flow of information concentrates on one point.


In a centralized system, if one point where information concentrates is attacked, there is a risk that the system will not function. On the other hand, the non-centralized block chain has the feature of being a stable system resistant to external attacks. In other words, it is a very difficult mechanism to stop the system.


Every time information passes through the block chain, it is checked by the computer ......



All information is accumulated as a chain of data with time series information known as a block.


Many people have heard the phrase "block chain" with the virtual currency Bitcoin (bit coin). Naturally it is natural to say that bit coins are the first killer content on block chains.


You can easily send (remittance) bit coins online to a third party.


Even people who are unknown are OK.


It has the advantage that you can remit money easily and safely to anyone in the world.


Bit coins are decisively different from other payment (remittance) methods such as credit cards, PayPal and so on.


Whether it is a credit card or PayPal, money is always passed through financial institutions such as banks.


It is fate that the commission is drawn.


On the contrary, in bit coins incorporating block chains, all computers participating in the system manage the flow of bit coins.


This has the advantage that the cost of checking the movement of bit coins is extremely low.


Bit coin owner information is monitored and managed by all system participants by the block chain and the transaction history is managed, so bit coins can not be used twice.


Bit coins are just the beginning of a block chain. In the future, online data may be managed by block chains.


By doing so, the automatic driving car becomes more secure ......


Online identities are protected ......


Everything and things are connected via the InternetThe Internet's Internet (IoT)It has the merit that it works.


Block chains that have the potential to change our lives forever have just begun.


You can understand how block chains work with bit coins with a single shot if you look at the following article.

Summary of things I would like to know to perfectly understand the virtual currency "Bitcoin" - GIGAZINE