I liked that the online exchange service Ferma emphasizes security. Before my first transfer, I was asked to verify my card. At first, I was worried, but then I read the explanation that this is necessary to protect against fraud and duplicate SIM cards. I took a photo of my card as required, and after that, the exchanges went smoothly. I withdrew funds several times through Sberbank Online, and the fee is about 1%, which is all stated upfront. The money arrives consistently, and the support team responds to emails quite quickly.
