Embodiments of the invention include a method and system for conducting financial transactions over a payment network. The method may include associating a payment address of an account with an account holder name, the account residing at a financial institution and the associated payment address of the account configured to allow withdrawals by the account holder only and to allow a plurality of deposits to be made at different times. The method further includes freely publishing the payment address and making it available to users of an internet portal or search engine. The method further includes receiving data over a network identifying a deposit to be made to the account, assigning the deposit to the account using the payment address, and notifying the payer of the assignment. At least one directory is used for associating the account holder with the payment address.