The following maybe of interest. Ralph ofcourse has an excellent blog on MMT. Here, is his introductory "article" on the subject
However, Transfinancial Economics is more advanced in many respects, and can notably give us a highly accurate understanding of the economy itself, and give "absolute" assurance that inflation can never go amuck. But I do regard MMT of great importance, and the same goes for Social Credit which is basically very similiar.