Am Loader /Only there is 2 different between online & offline* 1⃣ *Protocol 101 Online* will ask you Card PIN *Protocol 201 Offline* will ask you Auth code or approval code✅

2⃣ *#* Online PIN is not visible on machine & slip (****) *#* Offline auth code/ approval code is Always visible on POS machine & on the transactions slip also (876321 or whatever : Now there is 2 way to complete a Sale on a POS machine *Protocol 101* & *Protocol 201*

*1- Protocol 101 (Online sale)* Online Transitions will be done by Card *PIN*

*#In Online 101 there is many Mode like*