Which payment processing innovation first enabled retailers to accept card payments without a physical connection to a phone line or internet cable?

The world of retail payments has undergone dramatic transformation in recent years. From traditional cash registers to sophisticated contactless systems, payment technology continues to evolve at a rapid pace. This poll tests your knowledge about a significant development in retail payment systems that changed how businesses process transactions. Challenge yourself to see if you can identify this important retail payment innovation!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

NFC (Near Field Communication) payment terminals
Mobile POS systems using cellular data connectivity
EMV chip card readers
QR code-based payment platforms