This professional, invented and modern name could be well suited to a software or programming company.
The word "CryptNation" contains 11 letters and three syllables. Leading companies using three syllable names include Armani, McDonald's and Mastercard.
Cryptnation.com is a dot-com domain. Dot com domains are the most sought after top-level-domain in the world, famously used by websites like youtube.com. When most people think of a website, they think of a dot-com.