http://www.businessinsider.com/bitcoin-price-pizza-day-may-22-2018-5
origin - http://www.pipiscrew.com/?p=13740 8-years-ago-a-programmer-paid-10000-bitcoin-for-2-pizzas
http://www.businessinsider.com/bitcoin-price-pizza-day-may-22-2018-5
origin - http://www.pipiscrew.com/?p=13740 8-years-ago-a-programmer-paid-10000-bitcoin-for-2-pizzas