Professional business name combines the words "coin" and "ping".
The name "CoinPing" has eight characters and only two syllables. Two syllable names make popular global brands. Examples of popular two syllable names include Starbucks, Kleenex and Delta.
Coinping.com is a dot com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like google.com. A dot com is the first thing people think of when they think of a website.