https://www.youtube-nocookie.com/embed/FyYXMkpASwo?si=HRwb88vSeyKaZjFC
Further reading:
The Mystery of Banking by Murray N. Rothbard
Understanding Money Mechanics by Robert P. Murphy
Banking by David Howden
Bank Regulation and Deposit Insurance by J. Huston McCulloch
Banking without Tax-Backed Deposit Insurance by J. Huston McCulloch
Government Deposit Insurance and the Diamond-Dybvig Model by J. Huston McCulloch
For more on full vs fractional-reserve banking, see here.