I would prefer them to be clearer to say "we will redesign our systems so we no longer store IP addresses".
"Change our data structure" sounds like they might just host the servers outside the country and use a "Telegram Deutschland Inc" company that doesn't have access to any user data to run the service.
"Change our data structure" sounds like they might just host the servers outside the country and use a "Telegram Deutschland Inc" company that doesn't have access to any user data to run the service.