This a very interesting question. Who’s behind of crypto currency today? The revolution and volatile of crypto price especially bitcoin. 
Year 2009, bitcoin software is available for the first time and mining-the process through which Bitcoin are created transactions are recorded and verified on the blockchain - that was the beginnings of bitcoin. The person who’s behind this still mysterious- Mr. Satoshi Nakamoto. Btc price starts @ 0.003 usd jump into $6k-$7k at the current state.
The first Bitcoin Startup investor –Roger Ver. Including investments in Bitcoin.com, Blockchain.com, Z.cash, Bitpay, Kraken, Purse.io). Ver’s Computer parts business, MemoryDealer, was one of the first online retailers to accept payment in Bitcoin, and he now speaks regularly at Bitcoin events worldwide.
Late year 2010, BitcoinMarket.com was the first bitcoin exchange. Also a year for the first real transaction by buying two pizza for 10,000 BTC.
After the Leading of Bitcoin in many years as #1 crypto, Vitalik Buterin –founder of Etherium open a big opportunity to everyone to make their own token under the block chain system of etherium. This technology starts the rise of ICO.
At the current state, the world finance has now changed. Other government approve the cryptocurrency as
Currency especially bitcoin, eth and Ripple. But other goverments and Banks irregulates this because of volatile price.
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