A method includes initiating, by a payor computing device, a financial transaction to send payment of a particular amount to a payee computing device using a first cryptocurrency. The payee computing device accepts a desired currency. The method further includes placing a hold on an amount of collateral cryptocurrency based on a request to process the financial transaction. The method further includes sending, by the payor computing device, a first amount of the first cryptocurrency equal to the particular amount to the cryptocurrency acceptance network computing device, converting, by a cryptocurrency exchange device, the first amount of the first cryptocurrency to an amount of the desired currency equal to the particular amount, and sending the amount of the desired currency to a payee banking computing device. The method further includes seeking a desired number of confirmations of the first amount of the first cryptocurrency from a consensus network. When the desired number of confirmations is completed, the method further includes releasing the hold on the amount of the collateral cryptocurrency.