YooMoney — very popular in Russia and not the best e-wallet for international users.

YooMoney 2.5
E-wallet
Personal
YooMoney (formerly Yandex.Money) is one of Russia’s largest and well-known electronic payment providers. It offers a standard e-wallet that users can use to pay bills/fines/taxes, send money to friends and family, buy goods online, and pay for online services, including trading and deposits to igaming sites.