Please freeze your card immediately using the Monolith app to prevent any further misuse of your card. You can do this by hitting the ‘Card’ tab followed by ‘Freeze Card’ under the ‘Card Settings’ menu. If you cannot identify the transaction, please contact us through the app by hitting the ‘Settings’ tab followed by ‘Get support’ under the ‘Support’ menu or email us at support@monolith.xyz so that we can look into this for you.