Cryptocurrency is certainly a hot topic in the world of finance and investing, or gambling as some may see it! The volatility of the crypto markets ensure its always an interesting roller coaster ride of a topic with the potential for big gains, and of course losses! Almost daily tweets from Elon Musk only add further to the speculation and interest. Whether digital currencies are the future of finance and money markets or a dangerous bubble of speculation remains to be seen, but they are certainly a topic with plenty of interest!
If the ups and downs of bitcoin, ethereum, Ripple XRP, dogecoin and the like are on your radar you may be interested in some visual media to illustrate any articles or blog posts you're producing on the world of cryptocurrencies. I've found the free images section of Dreamstime has some good illustrative images of the main crypto coins that should do the job nicely.