A brief scroll through TikTok, a novel social media platform known for short videos and a powerful algorithm for suggested content, could include American teenagers dancing a snappy routine, social advocates preaching their cause and renditions of the viral “Ratatouille ...

Ever-present in society is the need to conduct economic transactions. In some places, fresh produce and livestock facilitate trade, while in others, coins and paper currency are the means of exchange. Today, however, economic transactions increasingly depend on an exploding ...