From 2008
"Various theories are being advanced to account for WestJet airline’s “extraordinary” action of removing credit card check-ins from self-service kiosks at airports across Canada.
....It’s a self-described “extraordinary step” after Visa and the Greater Toronto Airport Authority sent the company letters about possible fraud involving 150 terminals at Toronto’s Lester B. Pearson International Airport.".....
...WestJet was the only one – of the 13 airlines that serve up boarding passes at the common-use terminals – to stop accepting credit cards. Air Canada didn’t follow suit, saying it feels comfortable the terminals are secure, despite the investigation."
http://www.itbusiness.ca/news/theori...-airport/11919
Also interesting article from 2014
QUOTES
"Many airport kiosks are CUSS — or Common Use Self-Service — kiosks shared by multiple airlines. "CUSS kiosks have technical challenges when handling carrier-specific inventory and financial data, such as encryption," Parkinson said. "To support individual payment connections for different airlines, CUSS kiosks require separate encryption keys for each carrier. This means they can run slowly, leading to delays for users."........
....."Over time, we might see fewer check-in kiosks as people have boarding passes on their phone or printed at home," Olea said. "The key will be ease of use. If it's extremely easy for the older generation to check in online or via mobile, they'll go that route. But kiosks can scan passports and biometrics, and do things such as print baggage tags and weigh bags that phones simply can't do. For those things, kiosks will still be king."
http://www.mobilepaymentstoday.com/a...-kiosk-market/