Seems pretty nice that you´re accepting crypto, but it looks crypto is becoming commonplace in Russia, LavkaLavka especially is doing a really good job bringing the acceptance between framers like you guys and that use of digital coin will make the crypto more common and usable in daily life. Look at this you may find it useful.
https://bitcointalk.org/index.php?topic=2182038It´s in Russian!
Sucess, cheers