A method for dispute resolution for a blockchain transaction includes: receiving, by a receiver of a processing server, a blockchain transaction identifier and a dispute reason code from a first computing device of a blockchain network, the blockchain transaction identifier and the dispute reason code comprising a dispute request, the blockchain transaction identifier identifying a transaction on a blockchain; transmitting, by the receiver of a processing server, the blockchain transaction identifier and the dispute reason code to a processing device of the processing server; identifying, by the processing device of the processing server, the transaction, a merchant blockchain address, and a currency amount within a blockchain data value of the blockchain based on the blockchain transaction identifier; determining, by the processing device of the processing server, the transaction is invalid; and performing, by the processing device of the processing server, a dispute resolution process for the blockchain transaction.