Valon, which makes software to help US mortgage companies cut red tape and costs, raised a $150M Series D from Ribbit, a16z, and others at a $2.3B valuation (Zoya Hasan/Forbes)

Zoya Hasan / Forbes: Valon, which makes software to help US mortgage companies cut red tape and costs, raised a $150M Series D from Ribbit, a16z, and others at a $2.3B valuation — The U.S. mortgage market is massive, but its payment systems are antiquated and often analog.