coinbase is the most well-known and well utilized digital currency exchange in the United States coinbase is very easy to use which has helped it become one of the biggest crypto broker exchange especially for Bitcoin. coinbase is wholly authorized crypto exchange with license to work in more than 40 US people have traded more than 50 million in crypto on the coinbase exchange since it establishment.coinbase also offer the option of insured custodian wallet for investors to ensure security. coinbase offer a very simple to use interface reducing any obstacle that make get in the way for digital money ventures that are already complicated or not, what make coinbase unique because it let you purchase crypto using traditional currency.