Replacement of an old JavaEE data import service which only allowed JDBC as integration with a modern tech stack that also provides REST and GraphQL APIs.
I received funding from the Cardano Foundation to develop a PoC of a bridge between the Cardano and Filecoin blockchains, which would allow Cardano users to submit storage contracts to Filecoin.
This later became the project permanentum.io, on which I work in my free time.