PayPal alone blocks access from over 60 countries, and many credit card companies have similar restrictions. Some are blocked for political reasons, some because of higher fraud rates, and some for other financial reasons. Due to this reason, WordPress has recently accept Bitcoin as one of the payment methods.
Bitcoin is a digital currency that enables instant payments over the internet. Unlike credit cards and PayPal, Bitcoin has no central authority and no way to lock entire countries out of the network. Merchants who accept Bitcoin payments can do business with anyone. Bitcoin is open-source. Nobody owns it; the most popular client is maintained by a community of open-source developers.
Bitcoin verifies transactions with the same state-of-the-art encryption that is used in military and government applications. Using the Bitcoin network is free, except for a voluntary fee you can use to speed up transaction processing.
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License: MIT License