Started by RoboForex, Apr 29, 2022, 04:31 am
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Today's article is devoted to the blockchain technology: its history, work nuances, main types, and spheres of application - all main answers are given.
Blockchain is a digital database accessed by most users online. It is an unchangeable distributed digital information register, containing data about transactions among other things.
This technology writes down the data in special blocks, inextricably bound to each other. Each block of the chain has certain containers for data storage that close as soon as they are full and get bound to a block received previously, creating the chain.
Each block of the chain gets an exact time mark as soon as it is added to the chain. As long as each block contains information about the previous one, the chain contains information about each operations ever carried out in the database.
Already-existing blocks cannot be removed or edited - only new ones can be added. This peculiarity makes hacking and editing the content of the register impossible.
The first blockchain-like technology was suggested by a cryptographer David Chaum in 1982. In 1991, the basics of blockchain were described in an article by Stuart Haber and Scott Stornetta. They introduced a special computing solution for digital documents with a time stamp, so that files cannot be edited afterwards.
In 2004, a programmer and crypto activist Hal Finney created an algorithm called RPoW (Reusable Proof of Work). This technology became popular within cryptocurrency systems.
In 2008, the blockchain technology helped to create the bitcoin. Its creator is thought to be a person or a group of people under the penname Satoshi Nakamoto. The first person to receive the bitcoin was Hal Finney: on 12 January, 2009 Satoshi Nakamoto sent him 10 BTC.
The system is actively developing, taking root in various spheres of economy:
Blockchain is a data processing technology of processing, storing, and sending data. Every day it enjoys more and more demand. The system was created long ago but started developing after cryptocurrencies appeared and became popular. Today blockchain has become mainstream, integrated in various spheres of the society and sectors of global economy.
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