Fed governor Christopher Waller's "skinny" master account idea was earlier proposed by Wharton prof. David Zaring (@ZaringDavid) in a March 2025 paper. He argues that it'd help bring some of the current "possibly illegal but tolerated" practices by nonbanks into the remit of banking regulators https://jcl.law.uiowa.edu/articles/2025/03/skinny-charters-rebuilding-banking-regulatory-perimeter?utm_source=substack&utm_medium=email(Yueqi Yang)