A clever combination of "token" and "engine", this name could suit many token/crypto based brands. Alternative could be read as "tok" + "engine", with "tok" standing for "theory of knowledge" or an equivalent acronym.
Tokengine has nine characters and three syllables. Leading companies using three syllable names include Armani, McDonald's and Grammarly.
Tokengine.com is a .com domain. Dot com domains are the most desirable domain extension in the world, used by famous websites like google.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.