You will have to fill in a series of data and upload the following documents: Scan or photo of the passport or identity card Selfie with identity document: 1 if passport, 2 if C.I. Front and Back Proof of residence (e.g. a utility bill). The document must not be older than 90 days from the date of issue. You can also upload a bank statement, as long as it is not from a credit / debit card (N26, Hype, Postepay Evolution). Or, any official communication from your bank (such as a contract change). The document must be in color, perfectly legible, in jpg, png or pdf format. Follow this guide to help you through the process.