POS stands for Point-of-Sales. The history of POS systems began in 1879, with the invention of the cash register. Since then, It's gone through many technological advances, up through today.

James Ritty, an Ohio native and saloon owner, invented the first cash register in 1879 with his brother, calling it "Ritty's Incorruptible Cashier."

This included adding a cash drawer and paper roll for receipts. As a result, an increasing number of businesses started to utilize the machine, making it easier to record transactions and manage capital.

Between Gene Mosher’s touchscreen interface invention in the late 1980s and Martin Goodwin and Bob Henry's Microsoft platform POS system, the original cash register got a whole new makeover.

The global installed base of POS terminals grew to almost 161 million units in 2019. Market growth is primarily fuelled by the increasing adoption of electronic payments in emerging markets.

The first digit of a credit card indicates what industry issued the card: American Express account numbers start with a 3, Visa accounts with a 4, Mastercard accounts with a 5, and Discover accounts with a 6.

NFC stands for near-field communication. The technology builds on Radio Frequency Identification (RFID), allowing devices in close proximity to each other to easily communicate and share data.

Data transmission requires two NFC-enabled devices: a transmitting device and a receiving device. NFC technology works in one of two ways: one-way communication or two-way communication.

Charles Walton, patentee of RFID, continued to refine the RFID frequency process, and in 2003, NFC technology was approved as an ISO standard. By 2011, the first NFC mobile apps were being introduced on smartphones.

Google Pay

Apple Pay

Samsung Pay

Visa PayWave

Mastercard PayPass

All payments made with NFC are encrypted. Most mobile applications use a method called tokenization to protect emulated card transactions, making it even more difficult for fraudsters to keep up.

NFC smartphones can read NFC tags, set automation to run on personal devices. iPhone: Shortcuts - Automation - Create Personal Automation - NFC

Quick Response code is a type of matrix barcode and often contains data for a locator, identifier, or tracker that points to a website or application. It uses four standardized encoding modes to store data efficiently.

In the 1960s when Japan entered its high economic growth period, supermarkets selling a wide range of commodities began to spring up in many neighborhoods. The invention of barcodes provided a solution to this problem.

Masahiro Hara is in charge of the development of the QR Code and developed QR code with only one other person as his team member.

The QR Code was first adopted by the auto industry for use in their electronic Kanban, which greatly improved their management work efficiency for tasks from production to shipping to the issuing of transaction slips.

The pandemic has opened doors to massive success for touchless tech. 80% of ordering, checkout, and payment services will become contactless by 2024.

QR codes don’t have to be black and white – As long as the contrast between light and dark areas is great enough for readers to detect.