3.1 UNDER AGE PLAY IS PROHIBITED. No one under the age of 18 may use the Software in any way. (If You are under 18 and use the software contrary to this license, you will not receive any prizes or funds, so do not bother to try.) Player age information is required and will be verified before any funds or prizes` are paid out.

Do you have to provide KYC documents for withdrawl on BTC play?

The terms and conditions are ambiguous