CoinBase

CoinBase is one of the worlds leading cryptocurrency exchanges and allows users to buy bitcoin and other cryptocurrencies using a credit card.
The system allows for exchanging coins on the platform along with staking coins and earning daily profits automatically.
The system is simple and easy to use, and the referral system gives both you and your referral $10 in free bitcoin when they sign up and purchase more than $100 of bitcoin or any other coin.
CoinBase Features
Instantly deposit, withdraw and trade over 50 different cryptocurrencies.
Stake coins on the platform in a secure manner and generate daily profits.
Advanced coin information and tracking, keep up to date with the latest news.
Learn about cryptocurrency and earn rewards, discover hot new crypto projects.
Referral system gives both you and your referral $10 in bitcoin after purchasing $100.
Referral link – https://www.coinbase.com/join/bkkpfn
Reviews

Coinbase is probably the biggest crypto wallet and exchange, some of the airdrops and promos they do are massive!