Purchase via online Bitcoin exchange. All you have to do is begin by opening an account at Coinbase or any exchange. Then proceed to link your Coinbase account to GDAX. This will allow the transferring of funds to your SBG account.
What is GDAX?
Global Digital Asset Exchange is a service Coinbase offers to provide a safe, simple and free solution to transfer your Bitcoins to your SBG account.
There are other exchanges you can use such as: Alfacoins, Airbitz, BitPay
If it is the first time you use Bitcoin, the most recommended one is Coinbase, or an alternative one like Coinmama.com.
There are 3 ways you can buy with cash.
LibertyX.com: Buy a Bitcoin PIN card with cash at any of 19,000+ locations, and have your account funded within minutes of purchase.
CoinATMRadar.com: Over 770 ATMs worldwide, easy to use and funded within minutes.
Bitquick.co: Walk into your local bank and buy bitcoins immediately.
Buy via online Bitcoin exchange. Simply open an account at an exchange such as Alfacoins.com, Airbitz or Coinbase and transfer funds to your sports account within minutes!