They're the women who already accused Trump, and some who were considering it. As I recall, Trump threatened to sue them and that was the end of that. Enter Lisa Bloom to up the ante with offers to arrange their mortgage paid, to have their stories sold, and six-figure payments by anonymous donors and tabloids. One woman refused after being offered $750,000.
Three quarters of a million dollars isn't enough for that kind of trouble.
Their stories are elaborated at the Hill. Including Lisa's commission of 33%. See, some people are just really good at profiting from chaos. She's not actually bribing them. She's coordinating donors pounding on her door with Hillary Clinton PACs and by helping with new living arrangements for women who feel threatened by political profiting from making high-level accusations.