Fluent, a financial technology startup that has developed a blockchain-based network and payments platform for corporations, has raised $1.65 million from a group of investors led by New York City venture capital firm ff Venture Capital. Blockchain is the technology behind the bitcoin digital currency. Other local investors in the round include the St. Louis Arch Angels and the Lindbergh Tech Fund, the seed fund started in 2014 by Capital Innovators CEO Judy Sindecuse. Out-of-town investors included...