It's a recent pivot/rebrand. As of May 2019 their hero copy was "Adjoint empowers enterprises to achieve new levels of efficiency and control by delivering blockchain technology built specifically for the needs of the financial industry."[1]
Also, Stephen Diehl was actively promoting smart contracts and blockchain technology in Haskell until recently. [2]
Looks like a database backed web app for connecting financial data feeds.
https://www.adjoint.io/connect/