Which technological innovation, first commercially deployed in 1994, was crucial for secure e-commerce transactions and is considered a turning point for online retail adoption?

E-commerce has transformed dramatically since its inception. Behind today's seamless shopping experiences are numerous technological breakthroughs that changed how we buy and sell online. This trivia challenges your knowledge about a significant innovation that revolutionized e-commerce security and built consumer trust in online transactions. Test your understanding of the technological foundations that made the digital marketplace possible!

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SSL (Secure Sockets Layer) encryption for secure data transmission
QR code payment systems for contactless transactions
RFID (Radio-Frequency Identification) inventory tracking
Augmented Reality (AR) product visualization technology