Downloadable and recorded computer software for encryption; downloadable and recorded computer software for enterprise blockchain development and implementation, execution and management of secure data transactions, management of data escrow, and provisioning of shared and distributed ledgers; downloadable and recorded computer software for representation of data involved in and described in data transactions; downloadable and recorded computer software platforms for enterprise blockchains development and implementation; downloadable and recorded software for use as an Application programming interface (API) for development, testing, and integration of blockchain software applications to shared and/or distributed ledgers