US Patent 10373130 Cryptocurrency payment network

In one embodiment, a method includes receiving a request for payment associated with a transaction between a first user and a second user, where the request specifies a payment amount in a fiat currency and identifying an indication that the first user intends to satisfy the request for payment using a non-fiat instrument. The method also includes initiating a first transfer of a value corresponding to the payment amount in the non-fiat instrument from a first balance of the first user to one or more service balances of a payment service and initiating a second transfer of a value corresponding to the payment amount in the fiat currency from the one or more service balances of the payment service to a second balance of the second user.