This brand name would be well suited to an exercise or betting company.
The word "BTCplay" contains seven characters and just one syllable. One-syllable names are highly rare and very valuable. Successful brands using one syllable names include Nike, Square and Shell.
Btcplay.com is a dot com domain. Dot com domains are the most valued top-level-domain in the world, used by famous websites like google.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.