i also wrote a thread explaining the importance of USD-denominated government debt for short-term funding/credit markets remember that most of credit is issued to refinance existing debt and not for new financing you can read it here: https://illya.sh/threads/@1751726431-1
i wrote about how reverse repurchase agreements work and their importance in the global financial system in this thread: https://illya.sh/threads/@1751561045-2