Dogecoin (/ˈdoʊʒkɔɪn/ DOHZH-koyn,[2] code: DOGE, symbol: Ð[3] and D) is a cryptocurrency featuring a likeness of the Shiba Inu dog from the "Doge" Internet meme as its logo.[4][5][6][7][8] Introduced as a "joke currency" on 6 December 2013, Dogecoin quickly developed its own online community and reached a capitalization of US$60 million in January 2014;[9] as of December 2017, it has a capitalization of US$1 billion.

Compared with other cryptocurrencies, Dogecoin had a fast initial coin production schedule: 100 billion coins were in circulation by mid-2015, with an additional 5.256 billion coins every year thereafter. As of 30 June 2015, the 100 billionth Dogecoin had been mined.[10] While there are few mainstream commercial applications, the currency has gained traction as an Internet tipping system, in which social media users grant Dogecoin tips to other users for providing interesting or noteworthy content.[11] Many members of the Dogecoin community, as well as members of other cryptocurrency communities, use the phrase "To the moon!" to describe the overall sentiment of the coin's rising value. Thanks to crowdfunding efforts, a gold coin representing the cryptocurrency is scheduled to reach the Moon's surface in 2019

Bitcoin crosses reach all time highest price by crossing 17000 USD with this December biggest month of 2017 for cryptocurrency world and many top prediction turning out to be true as more than 5 cryptocurrency hiked their prices with 1000% growth rate now there are some rumors about Bitcoin prices there are some bubble created from cryptocurrency to attract investor as we know number of investor increases then price of coin per rate will automatically increases but because of bitcoin passed all time high which result many investor staying away from investing and another reason fluctuation with btc price is between 14K $ to 17$ which showing changes per hour by 50$ and per day changes by nearly 1K$ and ethereum also showing 55% growth from last month after being stable for two month and then IOTA entered coin who doing well from last month with nearly 1006% growth ratio.

Satoshi Nakamoto is the name used by the unknown person or people who designed bitcoin and created its original reference implementation. As part of the implementation, they also devised the first blockchain database.In the process they were the first to solve the double-spending problem for digital currency. They were active in the development of bitcoin up until December 2010.