Individuals and organizations can use a familiar accounting unit and a digital token to exchange value. There are people in this picture The security of the global ledger is achieved by the innovation of the blockchains. There are people in this picture There are people in this picture In order to maintain accountability and to ensure stability in exchange price, we propose a method to maintain a one-to-one reserve ratio between acryptocurrencies token and its associated realworld asset. There are people in this picture This method uses a variety of audit methods to prove that issued token are fully backed and reserved.