Patent ID: 8392275

Claim:
A system comprising: a memory storing information about user accounts, wherein the information comprises at least one identifier associated with at least one transaction between a buyer and a seller; and one or more processors configured for receiving purchase data for the transaction from a marketplace; generating an identifier associated with the transaction and providing a first partial identifier to a buyer and a second partial identifier to a seller, wherein the identifier associated with the transaction comprises the first and second partial identifiers; determining the buyer has committed funds for the transaction, wherein the funds are held pending resolution of the transaction; receiving the first partial identifier from the buyer; receiving the second partial identifier from the seller; comparing the received first partial identifier and the received second partial identifier with the generated identifier associated with the transaction; and releasing funds held from an account of the buyer to an account of the seller when the comparing results in a positive match between the generated identifier associated with the transaction and the received first and second partial identifiers.