Bitcoin is off to a rough start in 2018 in which It's dominance of the cryptocurrency market just hit the lowest price ever .
Bitcoin now is at 36 % as shown in the coinmarketcap site whereas It accounted for 80 % of the crypto market at the beginning of 2017 ,it has do with the rise of the other cryptocurrencies such as XRP,ETH and LTC where the Ripple stood at about 3% of the entire of cryptomarket on Dec 2017 ,now it's 14 % ranked it as the second largest cryptocurrency market value .
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The entire market value of cryptos is about 640.4 $ Billion as shown in the coinmarketcap
Bitcoin's price hit th 20k $ at the start of Decemberand it's price fall to 13,889 $ at the end of 2017.
What it ( btc) will show for us next days ?