- A failure of security systems at PayPal is currently causing concern for numerous German banks and private customers. A vast number of payments are reportedly being blocked, with merchants waiting on funds in the billions. The US payment service provider PayPal has been quite popular in Germany for years. However, currently both private customers and banks are grappling with a problem. According to the "Süddeutsche Zeitung" (SZ), certain security systems at PayPa...