Referral: Coinbase - Get $10 worth of BitCoins/Etherium when you sign up for CoinBase
Coinbase is a digital asset exchange company headquartered in San Francisco, California. You can buy cryptocurrency through them. It has very reliable and highly secured wallets. If you sign up and buy through the referral code, you get a $10 bonus BitCoins. MAKE SURE you sign up through the referral link.