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Now you can top-up any prepaid mobile phone number (your own, your friends or your relatives) across the world with Bitcoin via alfa.top! alfa.top erases country, language, currency and distance barriers. alfa.top is available in 188 countries and supports more than 1736 world's largest mobile phone operators, such as China Mobile, Vodafone, Bharti Airtel. alfa.top helps you to be close to your loved ones despite the distance!