With all the dollar counterfeiting going on, it's no wonder that the Secret Service is starting to up their methods of forgery prevention. Introduction of new notes, with re-designed security features, has been their primary defense. As new technologies are developed, these methods are becoming increasingly more sophisticated.
"New money" became a literal term as the U.S. Federal Reserve Bank released the latest revision of its venerable $100 note into the U.S. currency supply chain on October 8, 2013. Staying a few steps ahead of counterfeiting threats, this new bill was designed with improved security features, making it easier for banks and businesses to validate but more difficult for counterfeiters to fake and bamboozle. Not to worry, if you have any older hundreds, they are still good!