How many cryptocurrencies use X11 algorithm?
Could you elaborate on the prevalence of the X11 algorithm among cryptocurrencies? Specifically, I'm interested in knowing the approximate number of digital currencies that employ this hashing algorithm. As a professional practitioner in the field of cryptocurrency and finance, I'm always seeking to understand the technical underpinnings and adoption patterns of various cryptographic protocols. The X11 algorithm, being a notable hashing function, has piqued my interest. Could you provide an overview of its adoption rate and perhaps even some examples of cryptocurrencies that utilize it?