Enterprise messaging using a blockchain system. A method of the disclosure includes receiving, by a first node of a blockchain system of an enterprise service bus, a message transmitted by a second node of the blockchain system. The blockchain system may be configured to store a plurality of messages communicated via the enterprise service bus in a distributed ledger. The method also includes determining, by the first node, whether the first node should process the message. The method further includes processing, by the first node, the message in response to determining that the message should be processed by the first node. The method further includes updating the distributed ledger to indicate that the message has been processed by the first node.