The most popular Bitcoin purchasing app is “Coinbase” with over 800,000 ratings in Apple’s App Store. To trade Bitcoins with Coinbase, you’ll need to give it access to your bank account, debit card or Paypal account. To trade large amounts, it’ll need to come directly from a bank account or by wire transfer. Coinbase maintains it’s secure but has had to ward off attacks by hackers in the past.
