Or simply scan with your bitcoin wallet app this QR-code
You will receive instruction, how to join a chat, on your email address after the payment will be proceed. Note, that the payment will be completed once it is confirm by the network. Confirmation time can vary up to 24 hours.
! Make a payment with a comment "chat" + your email address
If 24 hours have already passed after you made a payment and you not receive out letter, contact our support team: firstname.lastname@example.org