Enterprise Blockchain network solutions facilitate the extension and optimization of processes across organizational boundaries. This increased level of sharing provides greater visibility, provenance of transactions to all parties involved, and reduces friction that arises due to organizational boundaries. Blockchain Solution Reference Architecture (BSRA) provides comprehensive guidance to architect and build end-to-end solutions based on Blockchain technologies. BSRA was primarily developed based on client engagements across industries such as retail, financial, supply chain, and telco, and addresses two major parts of a Blockchain solution: 1) building a Blockchain business network that receives, builds, and shares blocks in a secure manner; and 2) onboarding members on to the business network with the appropriate level of access and collaboration privileges. BSRA provides a foundational set of architectural artifacts that can help accelerate development of solutions based on Blockchain technologies. It also provides a starter list of architectural decisions that every project will have to set during development.