Patent attributes
A method is provided for recording purchase transactions, including: receiving a purchase order request that is associated with a purchase order, the purchase order request being received from a purchaser-side system, the purchase order request including purchase information identifying a product, a product quantity, and a first order identifier that is assigned to the purchase order by the purchaser-side system; generating a transaction document in response to the purchase order request, including the purchase information into the transaction document, and recording the transaction document in a document sharing platform or shared cryptographically protected ledger; and progressively updating the transaction document with information provided by the purchaser-side system and a seller-side system as the purchase order is being fulfilled, wherein each update to the transaction document is recorded in the cryptographically protected ledger.