When you register a new account at NiceHash, you also receive a BTC address. You can use this address for mining and/or making deposits for buying hashing power. You can find all the information about your wallet here. However, there are some recommendations and notices that are good to know before using Nicehash wallet.
You can use NiceHash wallet as your BTC address for mining. The service fee can be found here.
You can deposit desired amount of bitcoins to your NiceHash wallet. Note that smaller deposits are subject to conditional deposit fees. The minimum amount for buying hashing power is set at 0.005 BTC.
When withdrawing from NiceHash wallet, a withdrawal fee will be applied. Note that withdrawals are manually confirmed once per day at 12:00 AM CET.