To withdraw your virtual funds to bitcoins you have to understand that it was virtual funds received for monetization and you have been paid with BTC. before you can withdraw these funds to your bank account or default bitcoin wallet you must prove to us that you are a regular user of our services by having a transaction history with your wallet minimum of 0.5btc. so if this transaction is rejected, You are required to buy bitcoins from an external wallet such as coinbase.com,binance.com onucoin.com locabitcoin.com, or any platform you can buy bitcoins from and make a deposit\withdrawals into your monetization account wallet, Your bitcoin wallet has a unique address assigned to your wallet only, meaning once you deposit, you will receive it in your account and you can withdraw your available balance