Yandex.Checkout (works as Яндекс.Касса in Russia and Yandex.支付 in China) is a Russian online payment system operated by Yandex.Money, a joint venture of Russian technology corporation Yandex and the largest bank in Russia Sberbank. Yandex.Checkout was launched in late 2013. Yandex.Checkout has been the most popular payment application in Russia since 2015. By the end of 2018, the service was used by over 106,000 websites around the globe, including major online retailers and government services portals, totaling for over 31% of online payment processing market in Russia by 2018. History Yandex.Checkout was launched for Russian customers in October 2013. By the end of 2014, the share of Yandex.Checkout in the Russian market of online payments reached 18%. In autumn 2016 Yandex.Checkout added support for Russia's national payment system Mir. Since January 2017 the service has become a payment operator of ‘1C: Enterprise management automation system’ by 1C Company. A year later, in February 2018, the ‘1C’ company added the Yandex.Checkout payment module to the ‘1C: Enterprise’ standard electronic document library, which made it easier for 1.5 million commercial and budget organizations to receive payments and invoices via Yandex.Checkout. In June 2017 Yandex.Checkout announced integrations with online cash registers (CRE) in accordance with Federal Law No. 54-FZ "On the Application of Cash Register Equipment in Settlements in Cash and/or via Electronic Means of Payment" that enforced more severe rules on CRE use information exchange with Federal Tax Service. In 2018 Yandex.Checkout introduced support for Sberbank. Online payments and instant processing for payments between Sberbank business customers. The b2b service makes it easier to receive payments from the legal entities and speed up their processing. In 2015—2018 Yandex.Checkout increased its market share from 24% to over 31% in Russia. In 2014 Yandex.Checkout started partnering with Chinese marketplaces and online stores. As of November 2017 Adyen expanded its partnership with Yandex.Checkout to enable retailers worldwide to accept most popular payments methods in Russia and the CIS. In 2018 Yandex.Checkout introduced an application for South Korean online merchants. As of November 2018 Yandex.Checkout launched WeChat Pay payments for both online and offline businesses – it is being used by an increasing number of Chinese citizens. Yandex.Checkout is also widely used to accept payments from customers in Russia and abroad by international companies such as AliExpress, JD.com, Joom, Umkamall, Gearbest, TradeEase, BlaBlaCar, Renault, iTunes, Skype, Nintendo, Riot Games, Wargaming, Blizzard and others. In 2019, the