This contemporary, modern and widely-appealing domain would be ideal for a cryptocurrency or security organisation.
TokenHeaven has 11 characters and four syllables. Four syllable names are used by established brands like Airbnb, Panasonic and Coca-Cola.
Tokenheaven.com is a .com domain. Dot com domains are the most sought after top-level-domain in the world, used by famous websites like google.com. When most people think of a website, they think of a .com.