Monzo, a UK digital bank, has secured $430 million in funding from Google's CapitalG for US expansion efforts, product development, and financial hub expansion. This investment follows a regulatory setback with their initial US launch and aims to accelerate their growth in the UK market where they have established a strong presence. Monzo aspires to provide a comprehensive suite of financial services, including investment and budgeting tools, as a central destination for its customers' banking needs.