A start-up is attempting to make Bitcoin more accessible, by launching its own online bitcoin storage service. The Boston-based Circle allows users to purchase Bitcoin, store it in their account, and transfer to other Bitcoin accounts or users, with the service attempting to offer a more user-friendly approach when compared to other digital wallet services. The simplified interface shows all transactions in dollars rather than in bitcoins, with $10 of the currency added to accounts once they have been linked to a debit card, credit card, or bank account.