The research project „Consumer Protection by Co-decision concerning E-contracting” was supported by the Centre for Consumer Research NRW and was run in cooperation with business data processing specialists of the University of Münster. It was supervised by Prof. Dr. Franziska Boehm (ITM) and Prof. Dr. Rainer Böhme (Department of Information Systems). The project’s responsible research assistants were Ina Bruns and Sebastian Luhn.