Abstract: Method and system for buying and selling property tax liens and determining a property tax lien fair secondary market price are disclosed. The system comprises a terminal used to input parameters related to tax lien, a central processing computer calculating tax lien value and applying method based on system parameters and parameters inputted by remote system users, and an interface used to present the determined tax lien value to the users, register a trade of tax lien or a fraction of tax lien, manage or liquidate a property backing the tax lien. In different countries, tax liens or instruments using similar principals are known by different names, including tax deeds, redeemable tax deeds, delinquent property tax certificates, property tax sale certificates, and others. All such instruments are commonly referred to herein as tax liens.

Abstract: Techniques described herein relate to receiving and handling multi-user electronic transfer requests involving client devices at different locations or domains within a transfer system. In response to received transfer requests, a number of granter system offers may be evaluated based combinations of sender credentials and receiver credentials. One or more combinations of qualifying offers may be identified having aggregate values sufficient to cover the requested transfer value. From the qualifying offer combinations, a specific set of offers may be determined for performing the requested transfer, and the transfer may be initiated between a sender device in a first location and a receiver device in a second location within the transfer system.

Abstract: Method and system for buying and selling property tax liens and determining a property tax lien fair secondary market price are disclosed. The system comprises a terminal used to input parameters related to tax lien, a central processing computer calculating tax lien value and applying method based on system parameters and parameters inputted by remote system users, and an interface used to present the determined tax lien value to the users, register a trade of tax lien or a fraction of tax lien, manage or liquidate a property backing the tax lien. In different countries, tax liens or instruments using similar principals are known by different names, including tax deeds, redeemable tax deeds, delinquent property tax certificates, property tax sale certificates, and others. All such instruments are commonly referred to herein as tax liens.