The issue focused on digital banking software – software which monitors payments – where hackers may try to intercept payments before they've even made them. The hackers use digital currencies such as bitcoin to convert bitcoins into dollars or euros or vice versa. This digital currency does not represent actual currency but instead represents virtual currency – bitcoins – which can be exchanged for actual currency at any given moment. Bitcoins can also be exchanged for goods or services through websites such as eBay or websites such as PayPal. Bitcoins can also be exchanged for goods or services