A major glitch in Japan's banking system has halted $81 billion in bank transfers, affecting millions of people and businesses. The glitch is still being investigated, but it is believed to be related to a software update that was rolled out to banks on Friday. The glitch has caused significant disruption to the Japanese economy and is a reminder of the risks associated with traditional financial systems. Cryptocurrency users should be aware of these risks and take steps to protect their assets by storing them in a secure wallet, using strong passwords and enabling two-factor authentication, being careful about what information they share online, and keeping their software up to date.