International Business Machines Corporation
Carbon footprint blockchain network

Abstract:

An example operation may include one or more of storing a plurality of transactions in a carbon footprint blockchain, each stored transaction including one or more items and a carbon footprint associated with the one or more items included in the transaction, receiving a transaction processing request from a merchant terminal, the transaction processing request including an identification of an item and a user identification, executing chaincode which determines an aggregate carbon footprint of the user based on a carbon footprint of the item and a carbon footprint of one or more previous purchases of the user stored in the carbon footprint blockchain, and transmitting information about the determined aggregate carbon footprint of the user to the merchant terminal.