The first is the expense of transferring money abroad for poor individuals.

BBC: Migrants, money flows and terrorism

Gox users to directly convert money from dollars to bitcoin, without having to pay the hefty transaction fees associated with transferring money abroad.

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In February the Dutch Ministry of Justice warned banks in the country that they could be prosecuted for transferring money from the accounts of Dutch residents to those of online-gambling firms abroad.

ECONOMIST: Online gambling in Europe