...European agreement, where Hammer is the exclusive VAD for the UK and Nordics markets. The product uses an innovative PINsystem, requiring the user to enter their 6 18 digit number on the unique LCD keypad in order to access the content, ensuring...
http://www.securitypark.co.uk/security_article263592.html
...Technical problems caused it to suspend its chip-and-PINsystem in December 2005, temporarily leaving the company liable...revealed the problems had centred on an interim chip-and-PINsystem bolted onto its legacy till infrastructure in advance...
http://www.itpro.co.uk/188853/epos-refresh-aids-waitrose-growth