(Bloomberg) -- Tatyana Bakalchuk made billions selling everything from brooms to bridal gowns on her online marketplace. Now Russia’s richest woman is making a surprise pivot: to helping insulate the economy from sanctions by building an alternative to the global payment system major Russian banks were excluded from.Most Read from BloombergYouTuber Dr Disrespect Was Allegedly Kicked Off Twitch for Messaging MinorNvidia Rout Takes Breather as Traders Scour Charts for SupportTrump Could Actually L