We store your Telegram ID, profile data, decks, cards, and review history to provide the service.
Supporter payments: we store order metadata and Telegram payment charge IDs to deliver the supporter badge and process refunds.
Authorized operators may access aggregated service logs and support data (primarily Telegram ID) to maintain reliability and respond to incidents. Ops tools are not linked from the public site.
Contact zefordon@gmail.com to request data export or deletion.