Well, to start with, what is a 'token bio' ? Perhaps you mean a Biocoin token ?
Admittedly I am not a cryptocurrency expert, but you know what they say: good names speak for themselves and should have a clear purpose if you have to explain what the domain means and what it could be used for, this is usually bad.
What did you have in mind when you bought this, who could be the end user and for what purpose ?
@Kate Token.bio must be used for news and price check by making the subdomain for ex. BTC.token.bio where you can get all the details regarding Bitcoin.
BTC rate, blogs, stats, purchase links etc.