Mastercard Incorporated
Method and system for dispute resolution in a public blockchain

Abstract:

A method for dispute resolution for a blockchain transaction includes: receiving a dispute request from a first computing device including a blockchain transaction identifier and a reason code; identifying a blockchain data value included in a blockchain that includes the blockchain transaction identifier, a merchant blockchain address, and a currency amount; determining eligibility of the blockchain data value for reversal based on application of one or more reversal rules to at least one of: transaction data included in the blockchain data value or external data identified from the transaction data included in the blockchain data value; performing a dispute resolution process for the blockchain data value that includes receiving a merchant digital signature from a second computing device; and transmitting the merchant digital signature and the currency amount to a node in the blockchain network associated with the blockchain.