The virtual currency craze is on a tear, with new virtual currencies emerging bitcoin double send day. The New York Times just ran a series of articles about them last week.
Charles Ponzi would be so proud! A payment system, supposedly secured and anonymous. Bitcoin, starting with its payment system. The ledger is crucial to the system because it allows users to verify that a transaction request between two parties is not fraudulent. Joe’s Pizza wants to make sure that this is a valid transaction. One may wonder why it is so difficult to add a page to the ledger. The main goal is to make the payment system more secure by preventing double spending of bitcoins.