bitcoin new technology

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hello dear steemitians

the bitcoin ... the bitcoin cash ... the bitcoin gold ... etc
are cryptocurrencies that most people already know or at least we hear talk about
bitcoin appeared in 2009 as an encrypted currency as a payment method just after the global crisis; certainly people are afraid of the physical bank and the appearance of bitcoin was like an adventure to discover and day after day more people know this new technology based initially on a blockchain; It has only been a matter of time for this new blockchain technology to be adapted by several interested investors and the price rises from 1000 usd in early 2017 to 20 000 usd at the end of 2017, an increase of 1900% to fall again in early 2018 up to 5800 usd, a loss of 71% over a period of less than 3 months. so the people who invested in half of 2017 have made a fortune and the people who invested at the end of the previous year have a lot of losses
then in this embiguity which has you derrière this fall? and how big caliber lenders can trust this blockchain technology and bitcoin that goes up and down by skiing down;)?
is it the government can control this famous crypto and find a way to make it stable?
is there a way to stop scamers and hackers in a newly created technology?
and there are many questions and if you have any help do not hesitate to share them with us
and I will try to answer these questions very soon
so stay tuned to my blog vote and follow me and restem please