Create an account on coinbase and deposit crypto worth of $100, then you will receive your $10 reward in bitcoin.
another way to earn free crypto is “learn and earn” section, where you can get up to $10 a day for simply learn about new coins on coinbase.
Click on the Coinbase referral link then create your account and you can start using coinbase and buying bitcoin, ethereum and litecoin. The 10$ coupon code will be automatically added to your wallet once you have trade more than 100$. You can share you coinbase coupon link & coinbase voucher to invite your friends and get 10$ of free bitcoin when they activate their account.