Narrative: The "Technical view - Application Trust" viewpoint extends technical view application and provides a comprehensive framework for establishing trust and security within digital applications. This view associates the Application Trust with Trust Business Services and Blockchain Business Services from the application layer. Within this view, Application Trust refers to the measures and mechanisms implemented within digital applications to ensure the integrity, confidentiality, and authenticity of data and transactions. It encompasses security protocols, encryption techniques, and identity management practices to establish trust among users and protect against unauthorized access or tampering. Trust Business Services leverage the Application Trust framework to enable organizations to build trust with their users, ensure data security, and protect sensitive information within their digital applications. These services provide mechanisms for identity verification, access control, and secure communication, fostering a trusted environment for users to interact with the application. Blockchain Business Services further enhance trust within digital applications by leveraging blockchain technology. This technology offers a decentralized and immutable ledger that enables transparent and verifiable transactions, ensuring trust without the need for intermediaries. By incorporating blockchain, organizations can enhance the security and trustworthiness of their applications, particularly for activities such as digital asset management and secure data exchange. By associating the Application Trust with Trust Business Services and Blockchain Business Services, the "Technical view - Application Trust" empowers organizations to establish a secure and trustworthy environment for users within the digital ecosystem. The use of Application Trust allows organizations to implement robust security measures, protect user data, and ensure privacy and confidentiality. It includes techniques such as encryption, access control, authentication, and digital signatures to safeguard sensitive information and build trust with users.