Unified Patents is seeking prior art for all claims of US Patent 7,177,838 directed to "a method and apparatus for conducting electronic commerce transactions using electronic tokens." The patent claims to provide an apparatus and methods that permit a variety of payment options, such as credit card purchases, checks, money orders, or purchase orders to be used to purchase electronic currency or tokens. Submitted documents for this project must: (1) if a patent reference, have a priority date before 1/26/2000 or if a non-patent reference, be publicly available before 1/26/2000; (2) include a PDF attachment (with or without annotations) for any submitted non-patent literature reference.