3. Collection, processing and usage of personal data</strong> </p> <p> 3.1 Processed categories of data<br> Communication data, transaction data, lightning node authentication data are processed </p> <p> 3.2 Principles<br> Personal data consists of all information related to an identified or identifiable natural person, this includes, e.g. names, addresses, phone numbers, email addresses, contractual master data, contract accounting and payment data, which is an expression of a person's identity.