4sure Technology Solutions Inc. is a global leader in digital trust and decentralized identity solutions, formed from the merger of Northern Block Inc. and Sphereon International B.V. in January 2025. The company is headquartered in Kitchener, Ontario, Gatineau, Quebec, and Amsterdam. It specializes in creating secure, interoperable digital ecosystems for governments and enterprises.

The company offers a range of services, including the issuance, verification, and management of digital credentials, as well as trust registries for decentralized identity governance. Their wallet solutions provide secure storage and exchange of digital credentials, while automation tools streamline workflows for document processing and business management. With a robust technical stack that includes over 100 open-source libraries, 4sure focuses on scalability and interoperability across various industries, catering to high-value credential ecosystems in sectors like finance, healthcare, and identity management.