Punto Banco is a version of Baccarat that is particularly popular in western countries like the UK and the USA. It's a comparitive card game where players predict which hand will have the value closest to 10 once divided by 10. The online version leads to a faster game that's is accessibel to many players at the same time.
This baccarat version is very much about luck as there are no external factors impacting the outcome of the game. That being said, mathematics can be used to predict the outcomes of each round as the game goes on.
Punto Banco is the most popular form od Baccarat that is played right across the world.
Punto Banco Online has the potential to be extremely rigged,so always check that the site you're using is licensed and popular among other players.
Given Punto Banco is a version of Baccarat, there is no most popular version of Punto Banco.
There are not so many different versions of Punto Banco, in fact Punto Banco is a version itself of Baccarat.