How Bhim App UPI works

How Bhim App UPI worksGovernment of India launched a new android for cashless payment transfer without internet connectivity.Following is link of BHIM UPI android app.https://play.google.com/store/apps/details?id=in.org.npci.upiapp---------------Here is some steps and terminology.Mpin or upi pin is 4 digit code that your create with mbanking. If mbanking is not enabled for your account, they will