The New York-based blockchain startup uses the technology to improve supply chains globally.
Fluent previously raised $850k in November.
The seed round was led by ff Venture Capital and included participation from the Digital Currency Group.
In interview, CEO Lamar Wilson told CoinDesk that the startup plans to use the new funding in part to attract new participants to its platform, as well as expand its existing team over the course of the year. The startup is also unveiling its first partner, Kansas City-based Commerce Bancshares, which in the months ahead will use the platform to experiment with the technology from several different angles, including its use for business-to-business (B2B) payments as well as a test of peer-to-peer capital generation and deployment