4sure Technology Solutions

Northern Block is a Canadian blockchain consulting and venture creation firm that specializes in digital trust solutions, particularly self-sovereign identity (SSI) technologies. The company develops production-grade software using blockchain and distributed ledger technologies to facilitate secure and privacy-preserving digital interactions. Founded to address internet trust issues, Northern Block focuses on enabling bidirectional authentication, selective data disclosure, and interoperable digital relationships.

The company offers enterprise software solutions, including the NB Orbit Enterprise Platform, which supports the issuance and exchange of verifiable credentials, and the Orbit Edge Wallet, a secure mobile wallet for managing digital credentials. Northern Block serves both government and private sectors, helping organizations enhance operational efficiencies and customer experiences through SSI standards. With a team of 11-50 employees, Northern Block operates from offices in Toronto and Gatineau, Canada. In early 2025, it merged with Sphereon to form 4sure Technology Solutions, expanding its reach to North America and Europe.