Upd: We have expanded the newbie deactivated link:https://topup-balance.com/ [nonactive] of countries for which you can buy an Xbox gift card for cryptocurrency.
Australia, Austria, Bahrain, newbie deactivated link:https://topup-balance.com/en-be/gift-cards-buy-xbox-belgium [nonactive], Brazil, newbie deactivated link:https://topup-balance.com/en-bg/games-buy-xbox-bulgaria [nonactive], Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, newbie deactivated link:https://topup-balance.com/en-hu/games-buy-xbox-hungary [nonactive], Ireland, Italy, Kuwait, Latvia, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Oman, Poland, Portugal, newbie deactivated link:https://topup-balance.com/en-qa/gift-cards-buy-xbox-qatar [nonactive], Romania, Saudi Arabia, Slovakia, Slovenia, newbie deactivated link:https://topup-balance.com/en-es/games-buy-xbox-spain [nonactive], Sweden, Switzerland, Turkey, United Arab Emirates, United Kingdom.