Like many other virtual currency such as PayPal or Bank of America 's volume of Vietnam , on the internet helps users Bitcoin exchange more convenient. However , it's important that each unit Bitcoin sometimes worth more than $ 1,000 . Unlike traditional currencies , Bitcoin is not issued or is under the management of a central bank . It is a digital currency based decentralized open source , due to a computer system peer (peer - to-peer ) operation . Currently , the value of each unit of Bitcoin quite volatile , but history has recorded at 1 Bitcoin exchange is more than $ 1,000 ( at the end of November this year ) . This system uses a special program to prevent the owner of the same coin Bitcoin targets many different times . Bitcoin holders can purchase or transfer money directly to others on the Internet through a compatible software . Recently , an American couple , Jack and Laura Sommer , owner of large land area 4046 square meters , including 2,269 villas square meter area located in Las Vegas has the property for sale is not the cash but also accept payment in Bitcoin virtual currency . That seems a bit thrilling to hear , but the mansion includes 12 bedrooms , 15 baths worth USD 7.85 million would be among those who have enough Bicoin equivalent. " The acceptance of payments by Bitcoin will help us expand the audience and creating clients a little more reputation " , owners of the villa shared with The Las Vegas Review- Journal.