This modern and driven name is well suited to a company in the payment or cryptocurrency sectors.
The word "PayGiant" contains eight characters and three syllables. Leading companies using three syllable names include Mastercard, Santander and Delicious.
Paygiant.com is a dot com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like google.com. When most people think of a website, they think of a dot com.