(formerly Differential Inc.) has launched a Digital Receipts for e-commerce transactions and messages. The XML-based solution issues highly secure electronic notarized receipts that give companies irrevocable proof that an online transaction has occurred. Based on emerging XML standards, builds the infrastructure that helps businesses replace costly legal paper processes, limiting private networks, and inflexible EDI systems. Digital Receipt issues tamper-proof, electronically notarized receipts. Digital Receipt provides legal substantiation for dispute resolution and regulatory compliance. Combined with’s existing FileDrive and Extranet Creator product lines, Digital Receipt offers a complete solution for secure transactions and document delivery-proving beyond doubt that a digital transaction has transpired.