Bitcoin is a type of cryptocurrency which is technically a تحمیل تطبیق محفظة لیدجر employed for payment in the digital world by way of a whole group, from around the world. It is one of the fastest methods to transfer money freely or at comparatively lower costs. http://bookmarkstumble.com/story2740908/تطبیق-لیدجر-نانو-اس