The history of Bitcoin began when one of the Cryptocurrency (Cryptocurrency) was created by Satoshi Nakamoto in 2009, as well as pioneering the first use of blockchain technology, as well as the creation of unique codes of transaction logs that are eternal. That is, the entire history of transactions that have been recorded on Ledger Blockchain (ledger blockchain) can not be altered at all by anyone in this world. In this article will be discussed.

Bitcoin is a currency like Dollar, Pound Sterling and others. However, Bitcoin is digital and has very strong data encryption. In addition, Bitcoin is the first currency that can not be in control of its value by Institutions, Companies, governments, even the creator of the currency though. Bitcoin design is a Peer-to-Peer transaction technology where transactions do not require third parties who always take advantage. Crypto currency is also decentralized, meaning that it is not centered on a single administrator so that all transaction records in blockchain ledger can be managed by all Bitcoin users in the world.

Bitcoin has several major advantages:

• Transparency / Honesty. All Bitcoin users can view the transaction history that has been done, so that the transaction data brochure can be done at any time.

• Effectiveness of Transfer. We can send Bitcoin anywhere in the world in seconds. Then the transfer fee charged only about Rp. 500 - 3,000 per transaction, no matter how much money is sent.

• Security. Ledger Bitcoin is very open to the public so counterfeiting of transactions is not possible. All transactions that occur, are recorded in a transparent and spread to millions of Bitcoin users in this world.

• Limited number. By the time Bitcoin was created, Satoshi Nakamoto had revealed that there would be only 21 Million Bitcoin Cards worldwide. With limited supply, Bitcoin prices will tend to rise.

History of Bitcoin and Price Growth From Year To Year

* #source.google.com*

At the time Bitcoin was first released and traded, its value is only $ 0.1 / 1 BTC (about Rp 1,300 / 1 BTC). From 2009 to 2013 Bitcoin exchange rate reached 12,000 times increase, ie up to the price of $ 1,200 / 1 BTC (about Rp 15.8 million / 1 BTC). Then in the third quarter of 2017, the price of Bitcoin reached its all-time high of $ 6.194 / 1 BTC (Rp 81.7 million / 1 BTC). If we look at the total increase from 2009 to 2017 (the period of 8 years), Bitcoin's price has gone up by 61,940 times / 6,194,000%, a really fantastic growth for a currency.

Bitcoin controversy

No wonder so many speculators and investors are now investing in Bitcoin. The goal is to gain multiple benefits with only a short time. Many people are convinced of Bitcoin's future as well as blockchain technology. Bitcoin is considered able to solve the problems that have occurred to date, and replaces the cash as a whole. Even the Swiss state has practiced the "Kingdom without cash" scenario.

But now many people are criticizing the crypto currency, many are worried that the scheme is too high growth is a giant scam scheme that will happen again such as Tulip Mania incident occurred in the year 1637 ago. Where something that is not valuable at all, turns into something very expensive in a short span of time. As a result, a massive price collapse near 0 occurs in a short time as well, resulting in millions of people losing their money without any guarantee of refunds at all.

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