Digital currency

total: one
  •  Lettercoin
    A point-to-point cryptocurrency, also an open source software project under the MIT/X11 license, was released as early as October 7, 2011 through Github's open source client. Currency symbol
  •  Bitcoin
    The concept of bitcoin was first proposed by Nakamoto in 2009. It is based on Nakamoto's ideas to design and release open source software and build a p2p network on it. Bitcoin is a p2p digital currency. Point to Point