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for bitcoin blockchain file size
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2018-12-17 22:26:05 -05:00
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guide/english/blockchain/index.md
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@ -22,7 +22,7 @@ The first work on a cryptographically secured chain of blocks was described in 1
The first blockchain was conceptualized by a person (or group of people) known as Satoshi Nakamoto in 2008. It was implemented the following year by Nakamoto as a core component of the cryptocurrency Bitcoin, where it serves as the public ledger for all transactions on the network. The identity of Satoshi Nakamoto is not known, with some claiming him to be an Australian or Japanese man. Furthermore, Nakamoto introduced the concept of proof of work to ensure a more decentralized trust in the records' security.
In August 2014, the bitcoin blockchain file size, containing records of all transactions that have occurred on the network, reached 20 GB (gigabytes). In January 2015, the size had grown to almost 30 GB, and from January 2016 to January 2017, the bitcoin blockchain grew from 50 GB to 100 GB in size.
In August 2014, the bitcoin blockchain file size, containing records of all transactions that have occurred on the network, reached 20 GB (gigabytes). In January 2015, the size had grown to almost 30 GB, and from January 2016 to January 2017, the bitcoin blockchain grew from 50 GB to 100 GB in size. According to [Statista](https://www.statista.com/statistics/647523/worldwide-bitcoin-blockchain-size/), the size of the Bitcoin blockchain reached approximately 185 gigabytes in size by the end of September 2018.
The words block and chain were used separately in Satoshi Nakamoto's original paper but were eventually popularized as a single word, blockchain, by 2016. The term blockchain 2.0 refers to new applications of the distributed blockchain database, first emerging in 2014. The Economist described one implementation of this second-generation programmable blockchain as coming with "a programming language that allows users to write more sophisticated smart contracts, thus creating invoices that pay themselves when a shipment arrives or share certificates which automatically send their owners dividends if profits reach a certain level."