Yes, we all remember well what happened e.g. with Mt Gox.

Not sure what your point here is - as if panic and runs on the banks were somehow magically prevented by crypto.

And the hilarious part is, we actually have regulations like capital requirements and FDIC insurance and central bank lenders-of-last-resort to prevent bank runs? Whereas crypto has... none of that? And unaudited Tether pumping >$1B into the crypto ecosystem every week