The first Bitcoin transaction took place on January 12, 2009, when #Satoshi_Nakamoto sent 10 Bitcoins to computer programmer Hal Finney.The first US dollar/Bitcoin transaction took place in 2010 when a developer named Laszlo Hanyecz converted 10,000 Bitcoins into US dollars (at a market price of about $40) to order pizza for his family.#FirstBTC #Bitcoin