Coinbase charges fees, and GDAX is too complicated. Robinhood Crypto hasn't seen wide release...but Square Cash - Bitcoin is live for all users!* A presumably large user base, likely with payment methods already set up, can now buy/sell/store bitcoin INSTANTLY in a familiar and simple environment for FREE. Crypto is now open to the masses! *except NY, GA, HI, WY Referral link ($5): http://cash.me/app/QVTTBNS