1. Sweden's push to get rid of cash has some saying, 'not so fast;A Alderman;New York Times,2018
2. Despite bitcoin's dive, a former Soviet Republic is still betting big on it;L Alderman;New York Times,2019
3. Blockchain: what it is, what it does, and why you probably do not need one;D Andolfatto;Review,2018
4. Whither the price of bitcoin?;D Andolfatto;Economic Synopses, Number 1,2019
5. The ethics of payments: paper, plastic or bitcoin;J J Angel;Journal of Business Ethics,2015