SAP blockchain feature allows partners & users of the cloud platforms, to extend and build applications with blockchain technology. Integrating the SAP Blockchain into your cloud system, adds a new dimension to operations as it unlocks new functionalities into the blockchain ecosystem. Blockchain is important to security. Here’s why. New blocks (with new information) are always added to the end of the chain. Each addition has its own digital signature or hash that is a series of numbers and letters. Hackers would need to correctly change all the information up and down the blockchain to be successful.