YEM (Your Everyday Money) is a cryptocurrecy on a private blockchain called YEMChain with the focus on privacy, security, stability, and is really a true cryptocurrecy with it's only real purpose as a method of payment.
You can learn more about YEM from the Confidence in YEM document created by the YEM Foundation here:
Confidence in YEM 3.1
"The YEM was conceived in 2017 with the aim of creating an international digital currency that combines all the available strengths of blockchain technology without adopting the weaknesses of other cryptocurrencies..."