What can be a topic for an essay about digital currencies?
You may write about Bitcoin. The subtopics you can include into the essay are:
1. The benefits of digital currencies and the challenges they face.
2. Historical background of Bitcoin (when it was created, how the market value changed over years.
3. How Bitcoin compares to other digital currencies.
4. Assessment of Bitcoin as a currency and as an investment.
5. The predictions of expects concerning Bitcoin: Can it become a world’s currency?