The people behind World Liberty Financial — former President Donald Trump, his sons, and his business associates — have made a lot of promises about the cryptocurrency platform’s revolutionary potential. It will liberate “the average American” from “the big banks and financial elites,” Trump posted on Truth Social. It will help unbanked and debanked people, Donald Trump Jr. said in an X Space. What no one involved with the project has said is how this will happen or what,…