https://cashlink.de/blog/barzahlung-vs-bargeldlose-zahlung/
https://www.kreditkarte.org/ratgeber/bargeld-kreditkarte-vorteile-nachteile
http://worldtimes-online.com/kultur/226-schweden-wird-das-erste-bargeldlose-land-der-welt.html
https://ctc-giersch.ch
https://udingo.de
https://twitter.com/hashtag/schweden%2C
https://pxhere.com/de/photo/544915
https://pxhere.com/de/photo/998312
https://www.perthcitifitout.com.au/wp-content/uploads/2017/08/finance.jpg
https://static.pexels.com/photos/128867/coins-currency-investment-insurance-128867.jpeg
http://www.silicon.co.uk/wp-content/uploads/2015/09/shutterstock_180233393.jpg
https://static.pexels.com/photos/33692/coins-currency-investment-insurance.jpg
