How can cryptocurrencies be a future research area?
Could you elaborate on how cryptocurrencies can be considered a promising future research area? With the rapid advancements in blockchain technology and the increasing popularity of digital currencies, what specific aspects of cryptocurrencies warrant further exploration and investigation? Are there any potential applications or use cases that have yet to be fully realized? Additionally, what challenges and limitations do researchers face when delving into this field, and how can these be addressed to advance our understanding of cryptocurrencies?