With the news of failures like this, others will decide their funds are insecure, despite the fact that they're FDIC insured. A snowball effect avalanching into the fall of every major financial institution in the country, and quite possibly, the planet, will result. It's called a Self-Fulfilling Prophecy. Everyone needs to put some trust and faith that organizations like our banks will be ready for the year 2000 when it hits. I have no doubt in my mind that, despite programming preparations, numerous computer systems will behave strangely or crash when the rollover occurs, but that does NOT mean bad things will happen for you.
Banks keep records of all transactions.
These records will not be erased by any form of Y2k bug. Your funds will be secure. Data will not be lost, and records will not be destroyed. Your toaster will not eat your baby daughter. Your television will not explode.